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A296633 Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 4 neighboring 1s. 1
21, 286, 3581, 44783, 565149, 7121315, 89713772, 1130293195, 14240708558, 179419300176, 2260512981540, 28480330069267, 358825298187419, 4520860415119973, 56958579395700728, 717624409759413294 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A296635.
LINKS
EXAMPLE
Some solutions for n=4
..1..1..0..0..0..0. .0..0..0..0..1..0. .0..0..0..1..0..0. .1..0..0..0..0..0
..1..0..1..1..1..0. .0..1..0..0..0..1. .1..1..0..0..0..0. .0..1..1..0..0..0
..0..0..1..1..0..1. .0..0..0..0..1..1. .1..0..0..1..1..0. .0..1..0..0..0..0
..0..0..1..0..1..1. .0..0..0..0..0..0. .0..1..0..1..0..0. .0..0..1..0..0..1
CROSSREFS
Cf. A296635.
Sequence in context: A125456 A296333 A028028 * A025971 A346844 A188710
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2017
STATUS
approved

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)