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A302221 Number of nX5 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
3, 146, 760, 6110, 40395, 292781, 2043848, 14419536, 101511446, 713030990, 5019470018, 35283108018, 248180957058, 1745222920651, 12274305388046, 86321053540385, 607085317234430, 4269538885720366, 30026989609915629 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A302224.

LINKS

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

R. H. Hardin, Empirical recurrence of order 92

FORMULA

Empirical recurrence of order 92 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302224.

Sequence in context: A152180 A042135 A326803 * A302667 A302469 A303251

Adjacent sequences:  A302218 A302219 A302220 * A302222 A302223 A302224

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 03 2018

STATUS

approved

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Last modified May 27 03:13 EDT 2022. Contains 354093 sequences. (Running on oeis4.)