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A285026
Number of n X 4 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.
1
2, 26, 442, 6460, 96458, 1449814, 22043878, 336883696, 5171750894, 79634735346, 1229304353554, 19015329654036, 294656614022300, 4573021347213134, 71071712948803680, 1105968089007186270, 17230453143587374712
OFFSET
1,1
COMMENTS
Column 4 of A285030.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1. .0..0..1..1. .0..0..1..0. .1..1..0..0. .1..1..1..0
..0..0..1..1. .1..1..0..1. .1..1..0..1. .0..1..0..0. .0..0..1..1
..0..0..1..0. .1..0..0..0. .0..1..1..0. .0..0..1..0. .0..0..0..0
..0..1..0..0. .0..0..0..0. .0..1..0..0. .1..1..0..1. .0..0..0..0
CROSSREFS
Cf. A285030.
Sequence in context: A359924 A245999 A355725 * A137100 A228411 A364827
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 08 2017
STATUS
approved