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A300636 Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
3, 37, 91, 300, 1130, 4418, 17607, 71861, 297729, 1239693, 5164437, 21502279, 89761068, 375474518, 1571013994, 6575412382, 27531230134, 115292976778, 482850728454, 2022211948451, 8469339667129, 35472003909094, 148568669283182 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A300639.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0. .0..1..1..1..0. .0..0..0..1..1. .0..0..1..0..0
..1..0..0..1..0. .0..1..1..0..1. .0..0..1..0..1. .0..1..1..1..0
..1..1..0..1..0. .1..0..1..0..1. .0..0..0..0..1. .1..1..0..1..1
..0..1..0..1..1. .1..0..0..1..0. .0..1..0..0..1. .0..1..0..0..0
..0..1..0..0..0. .1..1..1..0..0. .1..0..0..0..1. .0..1..1..1..0
CROSSREFS
Cf. A300639.
Sequence in context: A300432 A300766 A030460 * A301358 A163156 A041067
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 10 2018
STATUS
approved

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Last modified March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)