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 A238252 Number of (n+1)X(5+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise 1
 676, 9991, 284992, 6683137, 171041320, 3320993180, 64353451945, 992794904591, 15160526139045, 192941078342371, 2433696873065044, 26454369332527825, 285456371748779982, 2719536243017821050, 25745538460612968692 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A238255 LINKS R. H. Hardin, Table of n, a(n) for n = 1..116 EXAMPLE Some solutions for n=2 ..0..0..1..0..0..1....0..0..0..1..0..1....0..1..1..1..1..0....1..0..0..1..1..1 ..0..1..0..1..1..1....1..0..1..1..1..1....1..0..1..0..1..1....0..0..1..1..1..1 ..0..1..0..1..0..1....1..1..1..1..1..1....0..1..1..1..1..0....0..1..0..1..0..1 CROSSREFS Sequence in context: A204036 A235410 A239608 * A264338 A348319 A059745 Adjacent sequences:  A238249 A238250 A238251 * A238253 A238254 A238255 KEYWORD nonn AUTHOR R. H. Hardin, Feb 21 2014 STATUS approved

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Last modified August 17 17:59 EDT 2022. Contains 356189 sequences. (Running on oeis4.)