A316881 Number of n X 6 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

32, 284, 1280, 11532, 125218, 1187727, 11791971, 128278641, 1404259002, 15247516145, 168817867739, 1879689241885, 20866670090860, 232659204227597, 2597341941865292, 28972230740635097, 323551683655361446

Offset

1,1

Comments

Column 6 of A316883.

Links

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

Example

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

Crossrefs

Cf. A316883.

Sequence in context: A317034 A305909 A317151 * A317609 A251782 A267324

Adjacent sequences: A316878 A316879 A316880 * A316882 A316883 A316884

Keyword

nonn

Author

R. H. Hardin, Jul 15 2018

Status

approved