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 A282309 Number of n X n 0..1 arrays with no 1 equal to more than four of its king-move neighbors. 0
 2, 16, 419, 40024, 13473987, 15544631618, 63687929371004, 912607092957406137, 45732608217067088771407, 8039776012810034885371563139 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A282316. LINKS EXAMPLE Some solutions for n=4 ..0..0..0..1. .1..1..1..1. .1..1..0..0. .0..1..0..0. .1..0..0..0 ..0..1..0..0. .0..0..0..1. .0..1..1..0. .1..1..0..0. .0..0..0..0 ..0..0..1..1. .0..0..0..0. .1..0..0..1. .0..1..1..1. .1..0..0..1 ..0..0..0..0. .1..1..0..1. .1..0..0..0. .0..0..1..0. .1..0..0..1 CROSSREFS Cf. A282316. Sequence in context: A027871 A283408 A343428 * A009397 A229023 A009700 Adjacent sequences: A282306 A282307 A282308 * A282310 A282311 A282312 KEYWORD nonn AUTHOR R. H. Hardin, Feb 11 2017 STATUS approved

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Last modified March 21 16:33 EDT 2023. Contains 361408 sequences. (Running on oeis4.)