A317033 - OEIS

A317033

Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

16, 94, 280, 1718, 11368, 66728, 417156, 2714271, 17610616, 114357451, 754664057, 4990029946, 33020899414, 219676934231, 1462873913126, 9748125500261, 65076163909949, 434605951697906, 2903524017998302, 19410022768455530

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A317036.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..0..0..0..1. .0..0..0..0..0. .0..0..0..1..0. .0..0..0..1..0

..1..1..0..0..1. .1..0..0..0..0. .0..0..0..0..0. .1..0..0..0..0

..1..1..1..1..1. .0..0..0..0..0. .0..0..1..0..0. .0..0..0..0..1

..1..1..1..1..1. .0..0..0..0..0. .0..0..0..0..1. .0..1..0..0..0

..1..0..1..0..0. .1..1..0..1..0. .0..1..0..0..0. .0..0..0..0..0

CROSSREFS

Cf. A317036.

Sequence in context: A304344 A316215 A305639 * A294433 A160750 A305908

Adjacent sequences: A317030 A317031 A317032 * A317034 A317035 A317036

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 19 2018

STATUS

approved