A299726 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

5, 888, 57471, 3224826, 187530622, 10997877289, 643936117646, 37689687396652, 2206115442912763, 129134101563691655, 7558797325722443313, 442449939051405174000, 25898559689319783327605, 1515957754232756448009590

Offset

1,1

Comments

Column 6 of A299728.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 92

Formula

Empirical recurrence of order 92 (see link above)

Example

Some solutions for n=5
..0..0..1..1..1..1. .0..0..0..1..0..1. .0..0..1..0..0..0. .0..0..0..1..0..1
..0..0..1..0..0..1. .0..0..1..0..1..1. .0..0..0..1..1..0. .0..0..1..0..0..1
..0..0..0..1..1..0. .0..0..0..1..0..0. .0..0..0..0..1..0. .0..0..0..1..0..1
..0..0..0..1..0..1. .0..0..1..0..0..1. .0..0..1..0..0..1. .0..0..0..1..1..1
..0..0..1..1..1..1. .0..0..1..1..0..1. .0..0..0..1..0..1. .0..0..1..0..0..1

Crossrefs

Cf. A299728.

Sequence in context: A299935 A299065 A299837 * A094630 A284637 A173914

Adjacent sequences: A299723 A299724 A299725 * A299727 A299728 A299729

Keyword

nonn

Author

R. H. Hardin, Feb 17 2018

Status

approved