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A302813 Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
64, 8192, 218640, 7267160, 232260380, 7428713676, 238687785290, 7656052278093, 245617324998434, 7880802121694786, 252845509516657378, 8112313563916385380, 260276854454728693116, 8350749999160907426626, 267926476583534501527483 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A302808.
LINKS
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..1..1..0. .0..0..1..1..0. .0..0..1..1..0. .0..0..1..1..0
..1..0..1..0..0. .1..0..1..0..0. .1..0..1..0..0. .1..0..1..0..0
..1..0..1..0..1. .1..1..1..1..0. .1..1..1..0..1. .0..0..1..1..1
..1..0..1..0..0. .1..0..0..1..1. .1..0..0..1..0. .1..1..0..0..0
..1..1..0..1..1. .0..0..0..1..1. .0..0..1..1..0. .1..0..0..1..1
..0..0..0..1..0. .1..0..1..1..0. .1..1..1..0..0. .1..1..0..0..1
CROSSREFS
Cf. A302808.
Sequence in context: A302970 A291832 A302074 * A303474 A305522 A208714
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 13 2018
STATUS
approved

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Last modified June 17 09:14 EDT 2024. Contains 373444 sequences. (Running on oeis4.)