A316761 Number of n X 6 0..1 arrays with every element unequal to 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

0, 209, 543, 13970, 219766, 2605126, 42857655, 625815905, 9056077433, 136026736962, 2004483319976, 29615538284610, 438915883221742, 6489946080203116, 96024769562322931, 1420977983595140044

Offset

1,2

Comments

Column 6 of A316763.

Links

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

Example

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

Crossrefs

Cf. A316763.

Sequence in context: A211672 A250780 A305173 * A260011 A203048 A203041

Adjacent sequences: A316758 A316759 A316760 * A316762 A316763 A316764

Keyword

nonn

Author

R. H. Hardin, Jul 12 2018

Status

approved