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A302459 Number of nX7 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
1, 123, 140, 1518, 8869, 61254, 404761, 2822737, 19107381, 133223036, 940543590, 6607193483, 46568712258, 329320886502, 2326854046675, 16446895955352, 116374820631423, 823487172775195, 5827287415111296, 41246655697979835 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A302460.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302460.

Sequence in context: A247616 A119426 A138059 * A179127 A153254 A227522

Adjacent sequences:  A302456 A302457 A302458 * A302460 A302461 A302462

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 08 2018

STATUS

approved

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Last modified June 25 12:01 EDT 2019. Contains 324352 sequences. (Running on oeis4.)