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 A283638 Number of 5Xn 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements. 1
 0, 142, 3729, 85469, 1185010, 19517898, 272974255, 3604990867, 47435044139, 593340785252, 7330968283591, 88773406395265, 1058150004752104, 12466473723260994, 145192561852215324, 1675488032105197802 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 5 of A283634. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 63 FORMULA Empirical recurrence of order 63 (see link above) EXAMPLE Some solutions for n=4 ..0..0..1..1. .0..0..0..1. .0..0..0..0. .0..0..0..0. .0..0..1..0 ..1..0..0..0. .0..0..1..0. .0..0..0..0. .1..1..0..0. .0..0..1..0 ..1..0..0..1. .0..1..1..0. .0..1..1..0. .0..1..0..0. .0..0..1..1 ..0..1..1..0. .0..0..0..0. .0..1..0..0. .1..0..0..0. .1..0..0..0 ..1..0..0..1. .0..0..0..1. .1..0..0..0. .0..0..0..1. .1..1..1..0 CROSSREFS Cf. A283634. Sequence in context: A259422 A219146 A200453 * A235457 A200557 A077494 Adjacent sequences: A283635 A283636 A283637 * A283639 A283640 A283641 KEYWORD nonn AUTHOR R. H. Hardin, Mar 12 2017 STATUS approved

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Last modified May 26 04:31 EDT 2024. Contains 372807 sequences. (Running on oeis4.)