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Search: id:a183254
Displaying 1-1 of 1 result found. page 1
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A183254 Half the number of nX(n+1) binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies +0
1
1, 6, 164, 29100, 23226996, 78105333988, 1085842065488760, 61809250773984051624, 14321625018219960186079740, 13455454986809863455046035960864, 51120484864308189550041467825141803152 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Superdiagonal 1 of A183253
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..42
EXAMPLE
Some solutions with a(1,1)=0 for 4X5
..0..1..0..1..0....0..1..1..1..0....0..1..0..1..1....0..0..1..1..0
..0..1..0..1..0....1..0..0..0..1....0..1..1..0..1....1..0..1..1..1
..1..1..0..1..1....0..0..1..1..0....0..1..1..0..0....0..0..1..0..0
..0..1..0..0..0....1..1..0..1..0....1..0..0..0..1....1..1..0..0..1
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved
page 1

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Last modified September 11 12:31 EDT 2024. Contains 375829 sequences. (Running on oeis4.)