A188604 Number of n X 6 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally.

33, 1089, 12405, 140617, 1288734, 11895711, 104225541, 919272280, 7996186202, 69774651726, 606462611117, 5277689194928, 45875239984531, 398935627775246, 3467958989911948, 30151575179805147, 262119133913272821

Offset

1,1

Comments

Column 6 of A188607.

Links

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

Example

Some solutions for 3 X 6
..0..0..0..0..0..0....0..0..0..1..0..0....0..1..0..1..0..1....1..0..1..0..1..1
..0..1..0..0..0..0....0..1..0..0..1..1....0..0..1..0..1..0....1..0..0..0..1..1
..1..0..0..0..0..0....0..0..0..1..1..1....0..1..0..1..1..1....1..1..1..1..1..1

Crossrefs

Cf. A188607.

Sequence in context: A132469 A200441 A206939 * A188611 A188848 A188855

Adjacent sequences: A188601 A188602 A188603 * A188605 A188606 A188607

Keyword

nonn

Author

R. H. Hardin, Apr 05 2011

Status

approved