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 A254722 Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally and vertically 1
 2630, 14226, 76615, 364039, 1645201, 7620738, 35110289, 160937385, 741804750, 3423993877, 15810300788, 73052896500, 337690620252, 1561140321305, 7217837292719, 33373602812501, 154315577978901, 713547491791682 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A254728 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 75 FORMULA Empirical recurrence of order 75 (see link above) EXAMPLE Some solutions for n=3 ..0..0..1..1....1..1..0..1....0..1..1..1....1..1..0..1....0..1..0..0 ..1..0..1..0....1..0..0..1....1..0..1..1....1..0..1..1....1..0..1..1 ..1..1..1..1....1..0..0..1....1..1..1..1....0..1..1..1....1..0..1..1 ..0..1..1..1....1..1..1..0....0..1..1..1....1..1..1..1....1..1..1..1 ..0..1..1..1....0..0..1..0....0..0..1..1....0..1..1..0....1..1..1..1 CROSSREFS Sequence in context: A020439 A254776 A254769 * A236502 A212605 A273184 Adjacent sequences: A254719 A254720 A254721 * A254723 A254724 A254725 KEYWORD nonn AUTHOR R. H. Hardin, Feb 06 2015 STATUS approved

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Last modified July 19 15:21 EDT 2024. Contains 374410 sequences. (Running on oeis4.)