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A300602
Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
1, 13, 23, 141, 615, 2394, 11752, 56417, 267220, 1288938, 6174598, 29660929, 142473501, 684767996, 3289838593, 15810180948, 75973685362, 365101919123, 1754526797629, 8431612710548, 40519184505939, 194720508520524
OFFSET
1,2
COMMENTS
Column 5 of A300605.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1. .0..0..1..0..0. .0..0..0..0..1. .0..1..1..0..1
..0..1..1..0..1. .0..1..1..0..1. .0..1..0..0..0. .1..0..1..1..1
..0..0..0..0..1. .0..0..1..0..0. .1..1..1..1..0. .1..1..0..0..0
..1..1..1..1..0. .0..1..0..1..0. .0..0..1..1..0. .0..1..0..1..0
..1..0..1..0..0. .1..1..0..0..0. .0..1..1..0..0. .1..1..0..0..0
CROSSREFS
Cf. A300605.
Sequence in context: A039448 A299361 A089768 * A185684 A018945 A018958
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 09 2018
STATUS
approved

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Last modified September 20 18:47 EDT 2024. Contains 376075 sequences. (Running on oeis4.)