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 A254813 Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically 1
 2703, 15848, 95110, 522294, 2691838, 13380696, 64480314, 303930381, 1410213321, 6456146026, 29274922610, 131644498910, 588051565327, 2611848137632, 11544090756579, 50807250907962, 222774823957704, 973567869024207 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A254819 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..0..0..0..1....0..1..0..1....0..0..0..1....0..1..0..1....0..1..0..0 ..0..0..1..0....1..0..1..0....0..1..0..0....1..0..0..1....0..0..1..0 ..0..0..1..1....0..0..1..1....0..0..0..1....1..0..1..0....1..0..0..1 ..0..1..1..0....0..1..1..1....0..0..0..1....0..1..1..0....1..1..1..1 ..1..0..1..0....1..1..0..1....1..1..1..1....1..1..1..1....0..1..1..0 CROSSREFS Sequence in context: A214016 A254513 A254506 * A358430 A270542 A250615 Adjacent sequences: A254810 A254811 A254812 * A254814 A254815 A254816 KEYWORD nonn AUTHOR R. H. Hardin, Feb 08 2015 STATUS approved

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Last modified March 29 14:52 EDT 2023. Contains 361599 sequences. (Running on oeis4.)