

A286978


Number of n X 7 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.


1



3, 2088, 238532, 27938670, 3229944132, 382399996325, 45587718323826, 5491408595796062, 665386690317576640, 81085002249528800607, 9923283116879850553806, 1218979761697887011274578
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

Some solutions for n=2
..1..0..1..0..1..0..0. .0..0..0..0..0..0..1. .0..0..1..0..0..0..0
..0..0..1..0..1..0..1. .1..1..0..0..0..1..0. .0..1..1..0..1..0..1


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



