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 A254588 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and the central column and the two maximums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 15051, 110259, 774168, 5909527, 45867931, 350562134, 2634910318, 19541565637, 143564782483, 1047589715034, 7608617383646, 55086288989948, 397977472433545, 2871086236327979, 20692657907915479, 149040876549648731 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 3 of A254586 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 66 FORMULA Empirical recurrence of order 66 (see link above) EXAMPLE Some solutions for n=2 ..0..1..1..1....0..0..0..1....0..1..1..1....0..0..0..1....0..0..1..1 ..1..0..0..0....0..0..1..0....0..0..1..0....0..0..0..1....0..0..0..0 ..1..1..1..1....1..0..1..0....1..1..1..1....0..1..0..0....0..1..1..0 ..1..1..1..1....1..1..1..0....1..1..1..0....1..0..0..1....1..0..1..1 ..1..0..1..0....1..1..0..1....0..1..0..0....0..1..1..1....1..1..1..1 CROSSREFS Sequence in context: A207297 A151595 A254581 * A254356 A187423 A186215 Adjacent sequences: A254585 A254586 A254587 * A254589 A254590 A254591 KEYWORD nonn AUTHOR R. H. Hardin, Feb 01 2015 STATUS approved

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Last modified July 13 09:13 EDT 2024. Contains 374274 sequences. (Running on oeis4.)