A299349 - OEIS

A299349

Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

64, 353, 451, 4767, 30814, 150748, 1262771, 8560581, 57300258, 426035059, 2967970785, 21004206056, 151233991720, 1069609810758, 7619801482207, 54418606606899, 386950658000779, 2757469957283930, 19654984493748915

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

OFFSET

1,1

COMMENTS

Column 7 of A299350.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299350.

Sequence in context: A061102 A016779 A298220 * A299096 A299878 A299014

Adjacent sequences: A299346 A299347 A299348 * A299350 A299351 A299352

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2018

STATUS

approved