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 A254910 Number of (4+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
 22901, 36387, 54081, 90730, 131204, 163974, 215089, 239280, 260856, 309878, 358153, 395646, 449120, 519082, 614365, 716610, 824829, 957078, 1108599, 1277463, 1458542, 1666528, 1909582, 2179450, 2477503, 2809873, 3179661, 3605198, 4077962 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A254907 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..0..1..1..0..1....0..0..0..0..0..0....0..0..1..1..0..0....1..0..0..0..0..1 ..1..0..0..0..0..0....0..0..1..1..1..0....0..0..0..0..0..0....0..0..1..1..0..0 ..1..0..0..1..1..0....0..0..1..0..1..1....0..0..0..0..0..0....0..0..1..1..0..1 ..0..1..1..1..0..0....1..1..1..0..0..0....1..0..0..1..1..1....1..0..1..1..0..1 ..0..0..0..1..1..1....1..0..0..1..1..1....1..1..1..1..0..1....1..0..1..1..0..1 ..1..0..1..1..0..1....1..1..0..1..0..1....0..0..1..1..1..1....0..1..1..1..1..1 CROSSREFS Sequence in context: A197319 A263215 A263212 * A254903 A257205 A236039 Adjacent sequences: A254907 A254908 A254909 * A254911 A254912 A254913 KEYWORD nonn AUTHOR R. H. Hardin, Feb 10 2015 STATUS approved

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Last modified September 29 23:48 EDT 2023. Contains 365781 sequences. (Running on oeis4.)