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A302475 Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
0, 111, 1147, 8493, 101109, 1141147, 12546601, 139759054, 1548957170, 17209805574, 191189374845, 2123106854954, 23580609870792, 261901958253063, 2908820703189575, 32306899350522648, 358817934715149945 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A302472.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302472.

Sequence in context: A290627 A199979 A102782 * A303256 A137465 A101152

Adjacent sequences:  A302472 A302473 A302474 * A302476 A302477 A302478

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 08 2018

STATUS

approved

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Last modified October 6 00:49 EDT 2022. Contains 357261 sequences. (Running on oeis4.)