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A300609
Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
3, 96, 1432, 19532, 263468, 3567928, 48279880, 653282566, 8839456244, 119606358743, 1618388055066, 21898377621170, 296306504038927, 4009317324360190, 54249991153267601, 734055526483841279
OFFSET
1,1
COMMENTS
Column 5 of A300612.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..1..0. .0..0..1..0..0. .0..0..0..0..0
..1..0..1..1..1. .0..1..0..1..0. .0..1..0..0..0. .1..1..1..1..1
..1..0..1..0..0. .1..1..1..0..1. .1..0..1..0..1. .0..0..0..0..1
..1..0..1..1..0. .0..0..1..1..1. .1..1..1..0..1. .1..1..0..1..1
..1..0..1..1..0. .0..1..0..0..0. .0..0..0..0..1. .1..1..0..0..0
CROSSREFS
Cf. A300612.
Sequence in context: A094085 A300424 A300686 * A301351 A268012 A268181
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 09 2018
STATUS
approved