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A302952 Number of nX7 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
8, 2208, 185810, 17374552, 1596912288, 147310312318, 13578993819785, 1251888966185979, 115412264434282781, 10639969409929461395, 980908241510917291141, 90430818798138269376877, 8336898786544158131204437 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 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..1..1..0..0. .0..0..0..1..1..0..0. .0..0..0..0..1..0..1

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

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

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

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

CROSSREFS

Cf. A302953.

Sequence in context: A046246 A302380 A303101 * A151580 A173175 A268150

Adjacent sequences:  A302949 A302950 A302951 * A302953 A302954 A302955

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2018

STATUS

approved

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Last modified May 18 18:52 EDT 2021. Contains 343999 sequences. (Running on oeis4.)