login
A299450
Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
1
21, 64, 11, 161, 546, 804, 6326, 19745, 39495, 290364, 855008, 2191987, 14241405, 41451856, 129702347, 739374632, 2206681686, 7939800765, 40476006538, 126433675843, 496773451920, 2321391370041, 7652725646418, 31537376314083
OFFSET
1,1
COMMENTS
Column 7 of A299451.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..1..0..1. .0..1..1..1..0..1..0. .0..1..0..1..0..1..0
..1..1..1..1..1..1..0. .0..1..1..1..0..1..0. .1..0..0..0..0..0..1
..1..1..1..0..0..0..0. .1..1..1..1..0..0..0. .0..0..0..1..1..1..1
..0..0..1..0..0..0..1. .0..1..1..1..0..1..0. .1..0..0..1..1..1..0
..0..0..1..0..0..0..1. .0..1..1..1..0..1..0. .1..0..0..1..1..1..0
CROSSREFS
Cf. A299451.
Sequence in context: A251808 A072395 A113781 * A300088 A033481 A041862
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 10 2018
STATUS
approved