login
A302888
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
1, 496, 2548, 98458, 2727690, 89290791, 2899297652, 94799190457, 3098646840396, 101318692410975, 3312704193964731, 108315993718233338, 3541604337522608162, 115799973010176627546, 3786315710185413419126, 123801313825059497591042
OFFSET
1,2
COMMENTS
Column 7 of A302889.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..1..1. .0..0..0..1..0..0..1. .0..0..0..0..0..0..1
..0..0..1..1..1..1..1. .0..0..1..1..1..0..0. .0..0..1..1..0..0..1
..0..0..1..0..0..1..1. .0..0..1..1..0..0..0. .0..0..0..1..1..0..0
..0..0..1..1..0..0..0. .0..0..0..1..1..1..1. .0..0..0..0..1..1..1
..0..0..0..1..1..0..1. .1..0..0..1..1..1..1. .1..0..0..0..1..1..1
CROSSREFS
Cf. A302889.
Sequence in context: A109477 A302366 A303083 * A349699 A303623 A249200
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 15 2018
STATUS
approved