A188610 Number of 5Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally

20, 400, 3354, 24711, 181626, 1288734, 8951764, 61078115, 412004463, 2754584607, 18305734529, 121093197502, 798454543443, 5251973517844, 34485457416930, 226141081539515, 1481522016356561, 9698977844261838, 63462246846069728

Offset

1,1

Comments

Row 5 of A188607

Links

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

Example

Some solutions for 5X3
..0..1..1....1..1..1....0..1..1....0..0..1....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....1..0..0....0..0..0....1..0..0....0..0..0
..0..1..1....0..1..0....1..1..1....0..0..0....0..1..0....0..0..0....0..1..1
..1..0..0....0..0..0....0..1..0....1..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....1..1..1....0..1..1....1..1..1....1..1..1....1..0..0

Crossrefs

Sequence in context: A206938 A208141 A188603 * A188847 A188854 A207002

Adjacent sequences: A188607 A188608 A188609 * A188611 A188612 A188613

Keyword

nonn

Author

R. H. Hardin Apr 05 2011

Status

approved