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A303044
Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
32, 42, 186, 544, 2494, 13597, 59654, 251705, 1186522, 5869222, 27381443, 126165687, 604239638, 2948606295, 14144665365, 67469024030, 326726182958, 1595597953024, 7746571268500, 37522290645262, 182886057727441
OFFSET
1,1
COMMENTS
Row 6 of A303040.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..0. .0..1..0..1..0. .0..1..1..1..0. .0..0..0..1..0
..0..1..0..0..0. .0..1..1..1..0. .1..1..1..1..1. .0..1..0..1..0
..1..1..0..1..0. .0..1..0..1..0. .0..1..1..1..0. .0..1..0..1..1
..0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0
..0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0
..0..1..1..0..0. .0..1..0..1..0. .0..1..0..0..1. .0..0..1..1..0
CROSSREFS
Cf. A303040.
Sequence in context: A302431 A303201 A302314 * A302881 A303529 A167528
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 17 2018
STATUS
approved