A202894 Number of (n+2)X6 binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.

2201, 11792, 81308, 505725, 2990844, 18123980, 109801091, 658491602, 3949514088, 23718693425, 142274092183, 852958321134, 5114638449863, 30667479884691, 183858524034821, 1102273893759265, 6608442823917871, 39618703368761248

Offset

1,1

Links

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

Example

Some solutions for n=3
..1..0..1..1..0..1....0..1..1..1..1..1....0..1..1..1..0..0....1..1..1..1..1..1
..0..1..1..1..0..0....1..1..1..1..1..1....1..1..1..1..0..1....1..0..1..1..0..0
..1..1..1..1..0..0....1..0..1..1..1..0....1..1..1..1..0..1....1..1..1..1..1..0
..1..0..1..1..0..0....1..1..1..0..1..1....1..0..1..1..0..0....1..1..1..1..1..0
..1..1..0..0..0..0....1..1..1..1..1..1....1..1..1..0..0..0....0..0..0..0..0..0

Crossrefs

Column 4 of A202898.

Sequence in context: A044884 A019297 A044989 * A075455 A233444 A125015

Adjacent sequences: A202891 A202892 A202893 * A202895 A202896 A202897

Keyword

nonn

Author

R. H. Hardin, Dec 25 2011

Status

approved