A207092 Number of 6Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically

33, 1089, 20953, 518001, 12462017, 289951889, 6897033117, 163328551845, 3859116053775, 91371814060913, 2162098249763885, 51154844975987973, 1210540438174818673, 28644458404800644097, 677799353119887717715

Offset

1,1

Comments

Row 6 of A207088

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A206892 A188760 A189699 * A188989 A189199 A009977

Adjacent sequences: A207089 A207090 A207091 * A207093 A207094 A207095

Keyword

nonn

Author

R. H. Hardin Feb 15 2012

Status

approved