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A302964 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
64, 5135, 100161, 2257439, 52646395, 1233435694, 28906043997, 677939939546, 15913688413086, 373691293530910, 8777023711297082, 206177629016156813, 4843679190297598859, 113798041132055558867, 2673689164053615749675 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A302965.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1..0..1. .0..1..0..1..1..0..1. .0..1..0..0..1..0..0
..0..0..0..1..1..0..1. .0..0..0..1..1..0..1. .0..0..0..1..0..0..1
..0..0..0..1..1..0..1. .0..1..0..0..1..0..0. .0..0..0..1..0..1..1
..0..1..0..0..1..0..1. .0..0..0..1..1..0..1. .0..0..0..1..0..1..0
..0..0..1..1..1..0..1. .0..1..0..0..1..0..1. .0..1..0..1..0..1..0
CROSSREFS
Cf. A302965.
Sequence in context: A146496 A058874 A302264 * A302807 A303468 A220578
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 16 2018
STATUS
approved

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Last modified June 16 16:46 EDT 2024. Contains 373432 sequences. (Running on oeis4.)