

A285154


Number of 3 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.


1



0, 12, 113, 820, 5773, 41620, 305641, 2274080, 17114289, 129576988, 987231526, 7551235806, 57992581744, 446683948074, 3450295188177, 26710836161850, 207217760171898, 1610393410029550, 12535446041119817, 97715224210141008
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OFFSET

1,2


COMMENTS



LINKS



EXAMPLE

Some solutions for n=4
..1..1..1..1. .0..0..1..0. .1..0..1..0. .0..1..1..0. .0..1..0..0
..1..1..1..0. .1..0..1..0. .0..1..1..1. .0..0..1..1. .1..1..0..0
..0..0..0..1. .0..1..1..0. .0..0..0..0. .0..1..1..0. .1..0..1..1


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



