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A326161 Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
5, 11, 25, 85, 261, 838, 2644, 8646, 28076, 91588, 300287, 985329, 3236906, 10639958, 34985229, 115030534, 378227748, 1243694242, 4089598628, 13448040812, 44222592709, 145423018099, 478214308106, 1572578892311, 5171330324530 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A326165.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..1. .0..0..0..1
..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0. .1..0..0..0
..0..0..0..0. .1..0..1..0. .0..0..0..0. .0..0..0..0. .0..0..0..0
..1..0..0..1. .1..1..0..0. .1..0..0..0. .1..0..0..0. .0..0..0..0
..0..0..0..0. .1..0..1..0. .1..1..0..0. .0..0..0..0. .0..0..0..0
CROSSREFS
Cf. A326165.
Sequence in context: A018368 A050344 A318033 * A354838 A038253 A274681
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 09 2019
STATUS
approved

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)