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A302958 Number of 7Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
0, 1172, 164916, 12365841, 1212025201, 130376252119, 13578993819785, 1403559107071889, 145479455454006812, 15089882967228651401, 1564791955810116030473, 162255388684026120105462 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A302953.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

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

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

CROSSREFS

Cf. A302953.

Sequence in context: A230738 A302386 A303107 * A232082 A187725 A269958

Adjacent sequences:  A302955 A302956 A302957 * A302959 A302960 A302961

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2018

STATUS

approved

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Last modified June 16 20:38 EDT 2021. Contains 345070 sequences. (Running on oeis4.)