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A297717 Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s. 1
12, 258, 2717, 36981, 512354, 6812856, 91994155, 1242370107, 16741579726, 225799768740, 3045362800259, 41068189990009, 553851481354328, 7469298996031612, 100731170465697137, 1358466913972452523 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A297720.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 87

FORMULA

Empirical recurrence of order 87 (see link above)

EXAMPLE

Some solutions for n=4

..0..1..0..0..0. .1..0..0..1..1. .1..1..0..0..1. .0..0..0..1..1

..0..1..1..0..0. .0..1..0..0..0. .1..1..0..1..0. .0..0..0..0..1

..0..1..0..1..1. .0..0..0..1..1. .0..0..0..1..1. .0..0..0..1..1

..0..0..1..0..1. .1..1..1..0..0. .0..0..0..0..0. .0..0..0..1..0

CROSSREFS

Cf. A297720.

Sequence in context: A239778 A113091 A053324 * A138451 A295844 A113672

Adjacent sequences:  A297714 A297715 A297716 * A297718 A297719 A297720

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2018

STATUS

approved

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Last modified October 15 21:38 EDT 2021. Contains 348034 sequences. (Running on oeis4.)