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A297766 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s. 1
1, 14, 1045, 10639, 109228, 2263784, 45618455, 739821272, 12181204009, 214913229652, 3770723150572, 64742737047855, 1114199103262826, 19305756803013227, 334233068253483784, 5774144936515374280 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 5 of A297762.
LINKS
EXAMPLE
Some solutions for n=5
..1..1..0..0..0. .0..0..0..1..1. .0..1..1..1..0. .0..0..0..1..1
..0..1..1..0..0. .0..0..1..1..1. .0..1..1..1..0. .0..0..0..1..1
..1..0..1..1..0. .1..1..0..1..0. .0..0..1..0..0. .0..1..0..1..0
..0..1..0..1..0. .1..1..0..1..1. .0..1..0..1..0. .1..0..1..0..1
..1..1..1..1..1. .1..1..1..1..0. .0..0..1..0..0. .0..1..0..1..0
CROSSREFS
Cf. A297762.
Sequence in context: A263217 A208388 A227205 * A160011 A104226 A282272
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2018
STATUS
approved

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Last modified May 20 08:57 EDT 2024. Contains 372710 sequences. (Running on oeis4.)