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A295603 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2, 3 or 4 1s. 1
13, 132, 1425, 16340, 201602, 2594128, 34416318, 465449155, 6367873016, 87714252101, 1213023621452, 16813627618462, 233358837307365, 3241261100572837, 45039211440470945, 626000092576446308 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A295606.
LINKS
FORMULA
Empirical recurrence of order 69 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..0..1..0. .1..1..1..0..1. .1..0..0..0..0. .0..1..1..1..0
..1..1..1..0..1. .1..0..1..1..0. .0..1..0..0..0. .1..1..1..1..0
..1..1..1..1..0. .1..1..1..1..0. .1..0..0..1..0. .1..1..0..0..1
..1..1..1..1..0. .0..1..1..0..0. .0..1..0..0..1. .0..0..1..0..0
CROSSREFS
Cf. A295606.
Sequence in context: A161498 A037715 A037617 * A199144 A198664 A332243
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 24 2017
STATUS
approved

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Last modified May 24 15:44 EDT 2024. Contains 372778 sequences. (Running on oeis4.)