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 A256809 Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 0 or 1 and no column sum 0 or 1 1
 12707, 203129, 3375943, 53254665, 845074953, 13512239171, 215464267564, 3432996430917, 54734222100688, 872697161884847, 13912483854824538, 221795217415897043, 3536009069533019771, 56372932016438815229 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A256810 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..1..1..0..1..1..1..1..1..1....1..1..1..1..1..1..1..0..1 ..1..1..1..1..0..1..1..1..0....1..0..1..1..0..1..1..1..1 ..1..1..1..1..1..1..1..0..1....1..1..0..1..1..0..1..1..1 CROSSREFS Cf. A256810 Sequence in context: A083602 A105655 A124411 * A205939 A278585 A288355 Adjacent sequences: A256806 A256807 A256808 * A256810 A256811 A256812 KEYWORD nonn AUTHOR R. H. Hardin, Apr 10 2015 STATUS approved

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Last modified May 26 15:05 EDT 2024. Contains 372826 sequences. (Running on oeis4.)