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A302526
Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
5, 45, 290, 1977, 23909, 182773, 1551340, 18089458, 155010391, 1441103898, 14993036510, 137595549895, 1311553678481, 12995883033340, 122771875897789, 1178882157960810, 11465157388913564, 109566686589917765
OFFSET
1,1
COMMENTS
Column 6 of A302528.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..1..1. .0..1..0..0..1..0. .0..1..1..0..1..1. .0..0..1..0..0..1
..1..1..1..0..0..1. .1..0..1..1..0..1. .0..0..0..0..0..0. .0..0..1..1..1..1
..0..0..1..0..1..0. .1..1..1..1..1..1. .1..1..0..0..0..1. .1..1..1..0..1..1
..0..0..1..1..0..0. .1..1..0..1..1..0. .1..0..0..1..1..0. .0..0..1..0..0..1
..0..1..0..0..1..0. .0..0..1..0..0..1. .0..1..0..1..0..1. .0..1..1..0..1..0
CROSSREFS
Cf. A302528.
Sequence in context: A269911 A249638 A188349 * A303408 A241275 A343136
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 09 2018
STATUS
approved