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A297738
Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s.
1
1, 9, 385, 1443, 11171, 65215, 673171, 4414693, 36515720, 262644855, 2167783248, 16326721009, 130593495719, 1004457623070, 7977094417489, 62076354573565, 490287264598713, 3835365581310001, 30228295038249915, 237124926883181002
OFFSET
1,2
COMMENTS
Row 6 of A297733.
LINKS
EXAMPLE
Some solutions for n=6
..0..0..0..1..1..0. .1..1..1..0..1..1. .0..0..0..0..1..0. .0..0..0..1..1..0
..0..1..0..0..1..1. .0..1..0..0..1..1. .0..0..0..1..0..1. .1..1..0..0..1..1
..1..1..1..0..0..0. .0..0..0..1..0..1. .0..0..0..1..1..0. .1..1..0..0..0..0
..0..0..0..0..0..0. .1..1..0..0..1..0. .0..1..1..0..0..1. .0..0..0..1..1..1
..0..0..1..0..0..0. .1..1..0..1..1..1. .1..1..0..1..1..0. .1..1..0..1..1..1
..0..1..1..1..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..0..0..0..0
CROSSREFS
Cf. A297733.
Sequence in context: A157593 A157602 A124042 * A225988 A012191 A012078
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2018
STATUS
approved