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 A256763 Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum 1
 352, 14641, 475904, 16777216, 372556800, 7780827681, 117202871808, 1607509551376, 18188873230624, 185599234557361, 1717824808451648, 14261419187961856, 114631549276294144, 822273125910687361 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A256771 LINKS R. H. Hardin, Table of n, a(n) for n = 1..16 EXAMPLE Some solutions for n=2 ..1..1..1..1....1..1..0..1....1..1..0..1....0..1..0..1....1..0..1..0 ..1..1..1..0....1..1..0..1....1..0..1..1....1..0..0..0....1..0..1..0 ..1..0..1..1....0..0..0..1....0..1..0..1....1..0..1..0....0..0..1..1 ..1..1..1..1....0..1..1..1....1..0..1..1....1..0..0..1....0..0..0..0 CROSSREFS Cf. A256771 Sequence in context: A255501 A229740 A255500 * A279583 A156177 A104160 Adjacent sequences: A256760 A256761 A256762 * A256764 A256765 A256766 KEYWORD nonn AUTHOR R. H. Hardin, Apr 09 2015 STATUS approved

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Last modified June 18 07:39 EDT 2024. Contains 373469 sequences. (Running on oeis4.)