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 A265986 Number of n X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself. 0
 1, 1, 6, 2, 1, 5, 422, 243, 299, 1712, 91080, 155636, 749259, 5409278, 253679426, 2921924313, 9771922764942 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Diagonal of A265991. LINKS Table of n, a(n) for n=1..17. EXAMPLE Some solutions for n=6 ..1..2..2..1..1..2....1..2..2..1..1..2....1..2..2..1..1..2....0..0..0..0..0..0 ..1..1..1..1..4..2....1..1..1..1..4..1....1..1..1..1..4..2....0..0..0..0..0..0 ..1..4..1..1..1..1....1..4..1..1..1..2....1..4..1..1..1..1....0..0..0..0..0..0 ..2..1..1..1..4..1....2..1..1..1..4..1....1..1..1..1..4..1....0..0..0..0..0..0 ..1..4..1..1..1..1....1..4..1..1..1..1....2..4..1..1..1..1....0..0..0..0..0..0 ..2..1..1..2..2..1....2..1..1..2..2..1....2..1..1..2..2..1....0..0..0..0..0..0 CROSSREFS Cf. A265991. Sequence in context: A224518 A375741 A363684 * A334942 A217909 A334943 Adjacent sequences: A265983 A265984 A265985 * A265987 A265988 A265989 KEYWORD nonn AUTHOR R. H. Hardin, Dec 19 2015 STATUS approved

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Last modified September 11 13:03 EDT 2024. Contains 375829 sequences. (Running on oeis4.)