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 A265494 T(n,k) = Number of n X k 0..n*k-1 arrays with upper left zero and lower right n*k-1 and each element differing from its horizontal, vertical and diagonal neighbors by a power of two. 7
 1, 1, 1, 1, 0, 1, 2, 0, 0, 2, 16, 12, 36, 12, 16, 79, 0, 0, 0, 0, 79, 456, 0, 0, 0, 0, 0, 456, 2194, 1030, 2506, 0, 0, 2506, 1030, 2194, 20801, 0, 294152, 3249, 0, 3249, 294152, 0, 20801, 142675, 0, 0, 595253, 0, 0, 595253, 0, 0, 142675, 1104671, 298764, 19516777 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,7 COMMENTS Table starts ......1......1........1...........2............16............79.............456 ......1......0........0..........12.............0.............0............1030 ......1......0.......36...........0.............0..........2506..........294152 ......2.....12........0...........0.............0..........3249..........595253 .....16......0........0...........0.............0.............0.......949287922 .....79......0.....2506........3249.............0.......7928582.......223328748 ....456...1030...294152......595253.....949287922.....223328748.316185648156135 ...2194......0........0....11022848.............0.............0....121504746202 ..20801......0.19516777...504744595.............0.1549060833483 .142675.298764.83909226.21040741278.1252731688676 LINKS R. H. Hardin, Table of n, a(n) for n = 1..112 CROSSREFS Column 1 is A265173. Sequence in context: A330607 A169776 A240766 * A091731 A284269 A140579 Adjacent sequences:  A265491 A265492 A265493 * A265495 A265496 A265497 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 09 2015 STATUS approved

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Last modified May 18 14:41 EDT 2022. Contains 353816 sequences. (Running on oeis4.)