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 A253659 Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically and nw-se diagonally. 1
 157476, 1284808, 17719343, 213776286, 2673402320, 32368598122, 395496194486, 4770936979106, 57860771981049, 697085769177592, 8412051248192626, 101280686973886820, 1219331259876825415, 14660463628686907812 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A253662. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..1..0..1..1..1..2....1..1..0..0..0..2....0..1..0..2..1..1....0..1..1..2..0..0 ..1..2..1..1..2..2....2..0..0..2..0..1....0..0..1..1..1..1....2..1..1..1..1..0 CROSSREFS Cf. A253662. Sequence in context: A278862 A250595 A253311 * A253729 A034210 A034212 Adjacent sequences: A253656 A253657 A253658 * A253660 A253661 A253662 KEYWORD nonn AUTHOR R. H. Hardin, Jan 07 2015 STATUS approved

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Last modified April 20 02:14 EDT 2024. Contains 371798 sequences. (Running on oeis4.)