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A297693 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s. 1
34, 1216, 16931, 378611, 8377550, 165522511, 3487451085, 73143230512, 1513232424936, 31582139334118, 658460204051875, 13706009242381030, 285633419187642435, 5951469700723156803, 123981619727666622855 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A297694.
LINKS
EXAMPLE
Some solutions for n=3
..1..0..0..0..1..1..1. .0..0..1..0..0..0..1. .0..1..0..0..0..1..0
..1..0..0..0..0..1..0. .0..0..1..0..0..0..1. .1..1..1..1..1..1..1
..1..0..1..0..0..0..0. .0..0..1..0..1..0..0. .0..0..0..1..0..0..0
CROSSREFS
Cf. A297694.
Sequence in context: A167258 A251924 A158731 * A093550 A296587 A212735
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 03 2018
STATUS
approved

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)