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A300936 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
64, 1063, 3699, 15292, 77434, 399796, 2038646, 9872494, 49173493, 248913865, 1260900313, 6356938678, 32044722978, 161891392730, 818860503999, 4141939583430, 20949514125632, 105988957211455, 536401470005216 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A300937.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300937.

Sequence in context: A280603 A301322 A300497 * A300880 A301490 A223070

Adjacent sequences:  A300933 A300934 A300935 * A300937 A300938 A300939

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 16 2018

STATUS

approved

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Last modified October 28 21:20 EDT 2020. Contains 338064 sequences. (Running on oeis4.)