Svoboda | Graniru | BBC Russia | Golosameriki | Facebook
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

Revision History for A232860

(Underlined text is an addition; strikethrough text is a deletion.)

Showing all changes.
A232860 T(n,k)=Number of (n+1)X(k+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
(history; published version)
#4 by R. H. Hardin at Sun Dec 01 06:02:07 EST 2013
STATUS

editing

approved

#3 by R. H. Hardin at Sun Dec 01 06:02:03 EST 2013
LINKS

R. H. Hardin, <a href="/A232860/b232860.txt">Table of n, a(n) for n = 1..97</a>

#2 by R. H. Hardin at Sun Dec 01 06:01:41 EST 2013
NAME

allocated for R. H. Hardin

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing

DATA

7, 14, 14, 25, 45, 25, 41, 130, 130, 41, 61, 336, 650, 336, 61, 86, 755, 2942, 2942, 755, 86, 117, 1494, 11445, 24520, 11445, 1494, 117, 156, 2696, 37040, 178630, 178630, 37040, 2696, 156, 204, 4713, 101369, 1054179, 2547039, 1054179, 101369, 4713, 204

OFFSET

1,1

COMMENTS

Table starts

...7....14......25........41..........61...........86..........117..........156

..14....45.....130.......336.........755.........1494.........2696.........4713

..25...130.....650......2942.......11445........37040.......101369.......257799

..41...336....2942.....24520......178630......1054179......4995346.....20815986

..61...755...11445....178630.....2547039.....29338491....266176765...2040969695

..86..1494...37040...1054179....29338491....672737568..12123627839.180942639975

.117..2696..101369...4995346...266176765..12123627839.449539533113

.156..4713..257799..20815986..2040969695.180942639975

.204..8039..633068..81415483.14195455926

.262.13380.1515898.310059665

EXAMPLE

Some solutions for n=4 k=4

..0..0..0..1..0....0..1..1..0..0....0..0..0..0..0....1..0..1..0..0

..0..1..0..1..0....0..0..1..1..0....1..0..1..1..0....1..1..0..1..1

..0..0..1..0..1....0..0..0..0..1....1..0..0..0..1....1..0..1..1..1

..1..0..0..1..1....0..0..0..1..1....0..1..0..1..1....0..1..1..1..1

..0..1..1..1..1....0..1..1..1..1....0..0..1..1..1....1..1..1..1..1

KEYWORD

allocated

nonn,tabl

AUTHOR

R. H. Hardin, Dec 01 2013

STATUS

approved

editing

#1 by R. H. Hardin at Sun Dec 01 05:55:25 EST 2013
NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 22 00:18 EDT 2024. Contains 375353 sequences. (Running on oeis4.)