A189114 Number of 6Xn binary arrays without the pattern 1 1 0 diagonally or antidiagonally

64, 4096, 92416, 1806336, 40933920, 953574400, 22468298160, 528558080400, 12437474748000, 292662724182544, 6888092451855392, 162124220068110400, 3816130637166767376, 89826192310472231056, 2114403310781324271072

Offset

1,1

Comments

Row 6 of A189111

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 6X3
..1..0..0....0..1..1....1..0..1....0..0..0....0..1..1....1..0..0....0..0..0
..0..0..0....0..1..0....0..1..0....0..0..0....1..0..1....1..0..1....0..1..0
..0..0..1....1..0..0....1..0..1....0..1..1....1..0..0....0..0..1....1..1..0
..0..0..0....0..1..1....1..0..0....1..0..0....0..1..1....0..0..1....0..0..0
..0..1..1....0..0..1....0..0..0....0..1..1....1..1..1....1..1..0....0..0..1
..0..0..0....0..1..1....0..1..1....0..1..1....1..1..0....1..0..0....1..0..1

Crossrefs

Sequence in context: A189068 A189193 A188878 * A223877 A188907 A189108

Adjacent sequences: A189111 A189112 A189113 * A189115 A189116 A189117

Keyword

nonn

Author

R. H. Hardin Apr 16 2011

Status

approved