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Search: a232860 -id:a232860
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Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
+10
1
7, 14, 25, 41, 61, 86, 117, 156, 204, 262, 331, 406, 492, 590, 702, 829, 972, 1124, 1292, 1476, 1679, 1901, 2144, 2401, 2677, 2974, 3294, 3639, 4009, 4400, 4812, 5250, 5715, 6210, 6735, 7292, 7867, 8473, 9111, 9781, 10486, 11227, 11992, 12791, 13627, 14501
OFFSET
1,1
COMMENTS
Column 1 of A232860
LINKS
EXAMPLE
Some solutions for n=5
..0..0....1..0....0..0....0..0....0..0....1..0....1..0....1..0....0..0....0..0
..1..0....0..1....1..0....0..0....0..1....0..1....1..0....1..0....0..0....0..1
..1..0....0..1....0..1....0..0....0..1....0..1....0..1....0..1....1..0....0..1
..1..0....0..1....0..1....0..0....0..1....1..1....0..1....1..1....1..0....1..1
..0..1....0..1....0..1....0..1....0..1....1..1....0..1....1..1....0..1....1..1
..0..1....1..1....0..1....0..1....0..1....1..1....0..1....1..1....0..1....1..1
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2013
STATUS
approved
Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
+10
1
14, 45, 130, 336, 755, 1494, 2696, 4713, 8039, 13380, 21741, 33960, 51312, 75339, 108579, 154222, 216194, 298111, 404477, 540201, 713414, 932397, 1208728, 1553644, 1978226, 2495860, 3124911, 3887013, 4804956, 5907138, 7218216, 8769844
OFFSET
1,1
COMMENTS
Column 2 of A232860
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1....1..1..0....0..0..0....0..1..0....0..0..0....0..0..0....0..0..0
..0..0..1....1..1..0....0..0..0....0..0..1....0..0..0....1..1..0....0..0..0
..1..0..1....0..0..1....0..0..1....1..0..1....1..0..0....0..0..1....0..0..0
..0..1..1....0..0..1....1..0..1....0..1..1....0..0..1....0..0..1....0..0..0
..1..1..1....0..0..1....1..0..1....0..1..1....0..1..1....1..1..1....1..0..1
..1..1..1....0..0..1....0..1..1....1..1..1....0..1..1....1..1..1....0..1..1
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2013
STATUS
approved
Number of (n+1)X(3+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..3+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
+10
1
25, 130, 650, 2942, 11445, 37040, 101369, 257799, 633068, 1515898, 3535659, 7923813, 16924203, 34435189, 67351417, 127875041, 237092930, 430410822, 764368249, 1325374142, 2247755925, 3735891528, 6105155090, 9831802225
OFFSET
1,1
COMMENTS
Column 3 of A232860
LINKS
EXAMPLE
Some solutions for n=5
..1..0..0..0....1..0..1..0....0..1..0..0....1..1..0..0....0..0..1..0
..1..0..0..1....1..0..1..0....1..0..1..0....0..0..1..1....1..0..1..0
..1..0..1..1....0..0..0..1....0..0..0..1....1..0..1..1....1..1..0..1
..1..0..1..1....0..1..0..1....1..0..0..1....0..1..1..1....0..0..1..1
..0..1..1..1....0..1..0..1....0..0..1..1....0..1..1..1....1..0..1..1
..0..1..1..1....0..0..1..1....0..1..1..1....0..1..1..1....0..1..1..1
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2013
STATUS
approved
Number of (n+1)X(4+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..4+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
+10
0
41, 336, 2942, 24520, 178630, 1054179, 4995346, 20815986, 81415483, 310059665, 1152701225, 4126983674, 14018997429, 44827689272, 135234277395, 388552022417
OFFSET
1,1
COMMENTS
Column 4 of A232860
EXAMPLE
Some solutions for n=5
..0..0..0..1..0....0..0..1..0..0....0..0..0..0..1....0..0..0..0..0
..0..0..0..0..1....1..0..0..0..1....1..0..0..0..1....1..0..0..0..0
..1..1..0..1..1....0..0..1..0..1....0..1..1..0..1....0..0..0..0..1
..1..0..1..1..1....0..1..1..0..1....0..0..0..1..1....0..0..1..0..1
..1..0..1..1..1....1..1..0..1..1....0..0..0..1..1....0..1..0..1..1
..0..1..1..1..1....0..0..1..1..1....1..1..1..1..1....0..0..1..1..1
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2013
STATUS
approved
Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
+10
0
61, 755, 11445, 178630, 2547039, 29338491, 266176765, 2040969695, 14195455926, 95355497624, 626245063454
OFFSET
1,1
COMMENTS
Column 5 of A232860
EXAMPLE
Some solutions for n=4
..0..0..1..1..1..0....0..1..0..1..0..0....0..0..0..1..1..1....0..1..1..0..0..0
..1..0..1..0..0..1....1..0..0..0..1..1....1..1..0..1..1..1....0..0..0..1..1..0
..0..1..1..0..1..1....0..0..1..1..1..1....0..0..1..1..1..1....1..0..1..1..1..0
..0..1..1..0..1..1....0..0..1..1..1..1....0..0..1..1..1..1....0..1..0..0..0..1
..0..0..0..1..1..1....0..1..1..1..1..1....1..1..1..1..1..1....0..0..1..1..1..1
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2013
STATUS
approved
Number of (n+1)X(6+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..6+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
+10
0
86, 1494, 37040, 1054179, 29338491, 672737568, 12123627839, 180942639975, 2360925109300
OFFSET
1,1
COMMENTS
Column 6 of A232860
EXAMPLE
Some solutions for n=3
..0..0..1..0..0..0..0....1..0..0..0..0..0..0....0..0..0..1..0..0..0
..1..0..0..1..1..0..1....1..0..0..0..1..1..1....0..0..0..0..1..0..0
..0..1..0..0..0..1..1....0..0..0..1..1..1..1....0..0..0..0..0..1..1
..0..0..1..1..1..1..1....0..1..1..1..1..1..1....0..0..1..1..1..1..1
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2013
STATUS
approved

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