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 A295524 Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1's. 0
 1, 10, 147, 7071, 1012315, 437241277, 563330031268, 2154370064869978, 24591601562099287015, 837044464889796587986014, 84914857903369744218835564258 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A295531. LINKS EXAMPLE Some solutions for n=5 ..1..0..1..0..0. .0..0..1..0..0. .0..0..1..0..0. .0..0..0..0..0 ..1..1..1..1..0. .0..0..1..0..0. .0..0..1..0..1. .0..0..0..0..0 ..0..0..1..0..1. .1..0..1..0..1. .1..0..0..1..1. .0..1..1..0..1 ..1..0..0..0..1. .1..0..0..1..1. .1..0..1..0..0. .1..1..0..1..1 ..1..0..1..1..1. .0..0..0..1..0. .0..0..1..0..0. .0..0..0..1..0 CROSSREFS Cf. A295531. Sequence in context: A134526 A297714 A055761 * A095889 A097638 A178084 Adjacent sequences:  A295521 A295522 A295523 * A295525 A295526 A295527 KEYWORD nonn AUTHOR R. H. Hardin, Nov 23 2017 STATUS approved

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Last modified September 21 16:31 EDT 2021. Contains 347598 sequences. (Running on oeis4.)