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 A316539 Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 7 or 8 king-move adjacent elements, with upper left element zero. 0
 1, 4, 26, 136, 4219, 114514, 5074646, 681913008, 140688693646, 48442426003864, 36951311160860211 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A316545. LINKS Table of n, a(n) for n=1..11. EXAMPLE Some solutions for n=5 ..0..0..0..1..1. .0..0..0..0..1. .0..1..1..0..0. .0..1..0..0..0 ..0..0..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..1..0..0..0 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0 ..0..0..1..0..1. .0..0..0..1..0. .1..1..0..1..0. .1..0..0..1..0 ..0..0..1..0..1. .1..1..0..0..0. .1..1..1..0..0. .1..0..0..1..0 CROSSREFS Cf. A316545. Sequence in context: A058408 A053906 A359962 * A197964 A100236 A229278 Adjacent sequences: A316536 A316537 A316538 * A316540 A316541 A316542 KEYWORD nonn AUTHOR R. H. Hardin, Jul 06 2018 STATUS approved

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Last modified February 21 22:50 EST 2024. Contains 370239 sequences. (Running on oeis4.)