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A302740 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
64, 8192, 615589, 50012515, 4104115772, 336126343424, 27552364197684, 2258515399666414, 185133937573802146, 15175842668215691966, 1243997339324531820830, 101973231441890685645169 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A302741.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..1..0..1. .0..0..1..0..0..1..1. .0..0..1..1..0..0..1
..0..0..1..1..0..1..1. .0..0..1..1..1..0..0. .0..0..1..1..0..0..1
..0..0..0..0..1..0..0. .0..0..0..0..0..0..0. .0..0..0..0..0..0..1
..0..0..1..1..0..1..1. .0..0..1..1..1..0..1. .0..0..1..1..1..1..0
..0..1..1..1..0..0..1. .0..0..1..0..0..0..1. .0..0..1..0..0..0..1
CROSSREFS
Cf. A302741.
Sequence in context: A298969 A317564 A299739 * A299660 A300214 A302746
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2018
STATUS
approved

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Last modified March 1 22:23 EST 2024. Contains 370443 sequences. (Running on oeis4.)