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A227102
Number of nX5 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X6 binary array having a sum of two, with rows and columns of the latter in lexicographically nondecreasing order
1
16, 341, 4444, 60039, 754758, 8638999, 89104481, 828893716, 6983821643, 53621106874, 377769331391, 2459320959398, 14894188221320, 84433809668941, 450539327678840, 2274144315956048, 10906260377874097, 49886929929379557
OFFSET
1,1
COMMENTS
Column 5 of A227103
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..1..0....0..1..1..0..0....0..0..0..1..0....0..0..1..0..0
..0..1..1..0..0....1..1..1..0..0....0..0..0..0..1....1..1..1..1..0
..1..0..1..1..1....1..0..1..1..0....0..0..0..0..1....0..1..1..0..0
..1..1..0..0..1....0..0..0..0..1....0..0..1..0..1....0..0..1..1..1
CROSSREFS
Sequence in context: A318013 A320399 A173906 * A221577 A363383 A136269
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 01 2013
STATUS
approved