A183788 Half the number of (n+1)X6 0..2 arrays with no 2X2 subblock having sum 4

72468, 15497634, 3250564943, 685721542209, 144396520117972, 30424632455651757, 6409207767186189577, 1350253009910264801420, 284455606989957949866518, 59926376205490175182612148

Offset

1,1

Comments

Column 5 of A183792

Links

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

Example

Some solutions for 3X6
..0..0..0..0..2..1....0..0..0..1..0..2....0..0..0..0..1..2....0..0..0..1..0..0
..0..0..0..0..1..1....0..0..0..0..0..0....0..0..0..1..0..0....0..0..0..2..0..1
..1..1..2..1..0..0....1..2..1..0..1..1....1..2..1..0..0..1....1..0..0..0..1..0

Crossrefs

Sequence in context: A269320 A126658 A251340 * A369238 A093212 A114258

Adjacent sequences: A183785 A183786 A183787 * A183789 A183790 A183791

Keyword

nonn

Author

R. H. Hardin Jan 07 2011

Status

approved