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A300928
Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
5, 450, 23404, 1155263, 57594572, 2875574552, 143498589629, 7160975085336, 357354070296570, 17833027051203085, 889920824531940198, 44409682947730021006, 2216174612863105824139, 110593672103195176997181
OFFSET
1,1
COMMENTS
Column 6 of A300930.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1..1. .0..0..0..0..0..0. .0..0..0..0..0..1. .0..0..0..0..0..0
..0..0..0..1..0..0. .0..0..1..1..0..0. .0..0..1..1..1..0. .0..0..1..1..0..0
..0..0..1..0..1..0. .0..0..0..0..1..1. .0..0..1..1..1..0. .0..0..1..0..1..1
..0..0..1..1..0..1. .0..0..1..0..0..0. .0..0..1..0..0..0. .0..0..1..1..1..1
..0..0..1..1..1..1. .0..0..1..0..0..0. .0..0..1..1..1..1. .0..0..0..1..0..0
CROSSREFS
Cf. A300930.
Sequence in context: A300544 A055305 A300971 * A221626 A332145 A144509
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 15 2018
STATUS
approved