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A302211 Number of n X 7 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
1, 123, 72, 424, 1868, 11170, 55922, 291320, 1544411, 8168814, 43135601, 228337677, 1208744793, 6398223796, 33881994478, 179433657982, 950232876834, 5032989751367, 26658489563077, 141204904014504, 747985019374304 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A302212.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..199

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302212.

Sequence in context: A062233 A123171 A125097 * A308004 A192231 A341992

Adjacent sequences:  A302208 A302209 A302210 * A302212 A302213 A302214

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 03 2018

STATUS

approved

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Last modified January 19 20:48 EST 2022. Contains 350466 sequences. (Running on oeis4.)