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A302957
Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
0, 361, 25131, 998670, 50519822, 2766909379, 147310312318, 7792601909575, 413221140108695, 21925142145040301, 1163067389442877369, 61694202460260635301, 3272597655031259362393, 173597299390133576071391
OFFSET
1,2
COMMENTS
Row 6 of A302953.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..0. .0..0..0..1..0
..0..1..1..0..1. .0..1..1..1..0. .0..0..1..0..0. .0..1..1..0..0
..0..0..0..1..1. .0..1..1..0..1. .1..1..0..1..1. .1..1..0..1..0
..1..0..0..0..1. .1..0..1..0..1. .1..1..1..0..0. .1..1..0..0..0
..0..1..1..0..0. .0..0..1..1..0. .1..1..0..1..0. .1..0..1..1..0
CROSSREFS
Cf. A302953.
Sequence in context: A303106 A186869 A185612 * A232081 A231770 A145121
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 16 2018
STATUS
approved