A295037 - OEIS

A295037

Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s.

12, 280, 3853, 59126, 898493, 13706771, 209181266, 3184995895, 48548926944, 740019106008, 11277857830329, 171883749077632, 2619682437092951, 39926222792932513, 608509663116604097, 9274219880373144746

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A295040.

LINKS

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

R. H. Hardin, Empirical recurrence of order 91

FORMULA

Empirical recurrence of order 91 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A295040.

Sequence in context: A296640 A239780 A351765 * A295528 A166337 A183767

Adjacent sequences: A295034 A295035 A295036 * A295038 A295039 A295040

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 12 2017

STATUS

approved