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A225980
Number of nX6 binary arrays whose sum with another nX6 binary array containing no more than two 1s has rows and columns in lexicographically nondecreasing order
1
42, 790, 16361, 361361, 7718077, 148890101, 2513743785, 36836074434, 470279869497, 5279223820491, 52686610737385, 472630223607623, 3849896640784837, 28735919289705656, 198113452132002555
OFFSET
1,1
COMMENTS
Column 6 of A225982
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..1..1..1....0..0..0..0..0..1....0..0..0..0..1..1....0..0..0..1..1..1
..1..0..0..0..0..1....0..1..0..0..1..0....0..1..0..0..0..0....0..0..0..0..0..1
..1..0..1..0..1..0....1..0..1..1..1..1....1..0..0..0..1..1....0..1..0..1..1..0
CROSSREFS
Sequence in context: A252827 A231158 A030197 * A231164 A020933 A241923
KEYWORD
nonn
AUTHOR
R. H. Hardin May 22 2013
STATUS
approved