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 A254909 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 7579, 13444, 24358, 50697, 86176, 138819, 230095, 343854, 487927, 682152, 947151, 1301258, 1732148, 2291799, 3011782, 3927169, 5058503, 6444608, 8204544, 10432387, 13144119, 16482230, 20684713, 25937249, 32496192, 40698880, 51124639 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 3 of A254907 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..1..0..0..1..0....0..0..0..0..0..0....0..0..1..1..1..0....0..0..0..0..0..1 ..1..0..0..0..0..1....0..0..0..1..1..1....0..0..0..0..0..1....0..0..0..0..0..0 ..0..0..1..1..0..1....1..1..0..1..1..1....0..1..1..1..0..1....1..1..1..1..1..1 ..1..0..0..0..0..1....1..1..0..1..1..0....1..1..0..1..1..1....0..0..1..1..1..1 ..1..0..0..1..1..1....1..1..0..0..0..1....1..1..1..1..1..0....0..0..1..1..1..1 CROSSREFS Sequence in context: A205516 A260036 A064872 * A254902 A257204 A204358 Adjacent sequences: A254906 A254907 A254908 * A254910 A254911 A254912 KEYWORD nonn AUTHOR R. H. Hardin, Feb 10 2015 STATUS approved

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Last modified February 5 11:56 EST 2023. Contains 360084 sequences. (Running on oeis4.)