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 A250456 Number of (n+2)X(2+2) 0..2 arrays with nondecreasing maximum of every three consecutive values in every row and column 1
 373248, 17318918, 772693886, 32602562806, 1275994883882, 48782075567391, 1821064698359512, 66622768121582144, 2411041836414244648, 86445981340311543372, 3077820289047843771294, 109070560585937699044788 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A250459 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..1..0..1....0..0..1..0....0..0..1..1....0..0..0..0....0..0..1..1 ..2..2..1..0....2..0..2..1....2..0..2..2....2..2..0..0....1..1..2..2 ..0..1..2..2....2..0..2..2....0..1..1..2....1..0..2..1....0..1..1..0 CROSSREFS Sequence in context: A234792 A234382 A178288 * A043661 A206666 A296815 Adjacent sequences: A250453 A250454 A250455 * A250457 A250458 A250459 KEYWORD nonn AUTHOR R. H. Hardin, Nov 23 2014 STATUS approved

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Last modified August 14 11:50 EDT 2024. Contains 375159 sequences. (Running on oeis4.)