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A303037 Number of nX5 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
8, 31, 56, 234, 703, 2494, 9882, 38855, 158630, 674410, 2921913, 12955678, 58544796, 267600375, 1235405800, 5748447218, 26880477835, 126178539898, 594019756766, 2801839213779, 13234169550602, 62575594084426, 296088878641741 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A303040.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..0. .0..0..0..1..0. .0..0..1..1..0. .0..1..0..1..0
..1..0..0..1..0. .0..1..0..1..1. .0..1..0..1..0. .0..0..0..1..1
..1..0..0..0..0. .0..1..0..1..0. .0..1..0..1..0. .1..1..1..1..1
..1..1..0..1..0. .1..0..0..1..0. .1..1..0..0..0. .1..0..0..1..0
..1..0..1..1..0. .1..0..1..0..0. .0..1..0..1..0. .1..0..1..0..0
CROSSREFS
Cf. A303040.
Sequence in context: A305479 A302306 A067950 * A230386 A022273 A302874
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 17 2018
STATUS
approved

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)