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 A254776 Number of (2+2)X(n+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, vertically and ne-to-sw antidiagonally 1
 2630, 11321, 50173, 207006, 876483, 3931849, 17766805, 80755741, 371133499, 1709570292, 7888129452, 36437414874, 168400742824, 778428650323, 3598875856069, 16639899151437, 76939511613102, 355761482032982 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 2 of A254775 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..1..0..0..1....0..1..0..1..1....0..0..0..1..0....1..1..1..0..1 ..1..1..0..1..1....1..0..0..0..0....1..0..0..1..1....1..0..1..0..0 ..0..0..0..1..0....0..0..1..1..1....0..0..0..1..0....1..1..1..1..1 ..1..0..1..1..1....0..0..1..0..0....0..1..1..0..1....1..1..1..1..1 CROSSREFS Sequence in context: A234698 A190936 A020439 * A254769 A254722 A236502 Adjacent sequences: A254773 A254774 A254775 * A254777 A254778 A254779 KEYWORD nonn AUTHOR R. H. Hardin, Feb 07 2015 STATUS approved

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Last modified June 25 01:31 EDT 2024. Contains 373691 sequences. (Running on oeis4.)