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A302228 Number of 5Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
0, 111, 675, 4237, 40395, 338204, 3018243, 26373655, 229022022, 2020776808, 17623530150, 154526692002, 1354126269239, 11852307962264, 103884063578946, 909810907872807, 7970268921853663, 69825955304629074, 611653034702238664 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A302224.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302224.

Sequence in context: A304516 A259246 A205830 * A302671 A283649 A084450

Adjacent sequences:  A302225 A302226 A302227 * A302229 A302230 A302231

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 03 2018

STATUS

approved

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Last modified September 30 02:05 EDT 2022. Contains 357095 sequences. (Running on oeis4.)