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A285746
Number of n X 4 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
1
2, 44, 630, 8544, 125088, 1835412, 27339964, 410644956, 6209001966, 94379911740, 1441030936810, 22084845714940, 339564086313454, 5235658587223164, 80926601563138862, 1253589943179659024, 19456171723796564164
OFFSET
1,1
COMMENTS
Column 4 of A285750.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..0. .0..1..0..1. .0..1..0..0. .1..1..1..0. .1..0..1..0
..0..0..1..0. .1..1..0..1. .0..1..1..0. .0..0..1..0. .0..0..1..0
..1..0..1..0. .0..0..0..0. .1..0..0..1. .0..1..0..0. .0..0..0..1
..0..1..1..1. .1..0..0..1. .1..1..0..0. .1..1..1..0. .0..1..1..1
CROSSREFS
Cf. A285750.
Sequence in context: A123829 A242856 A035605 * A203606 A009620 A001627
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 25 2017
STATUS
approved