A183790 Half the number of (n+1)X8 0..2 arrays with no 2X2 subblock having sum 4

3500532, 4142036148, 4769141272937, 5535599672278525, 6409207767186189577, 7426828822889981226524, 8603578492435516321649249, 9967780407278401322169609464, 11547876184873263638667909674038

Offset

1,1

Comments

Column 7 of A183792

Links

R. H. Hardin, Table of n, a(n) for n = 1..49

Example

Some solutions for 3X8
..0..0..0..0..1..2..1..2....0..0..0..0..1..0..2..1....0..0..0..0..0..0..2..0
..0..0..0..0..0..2..1..2....0..0..0..0..2..2..1..2....0..0..0..0..0..2..1..0
..0..0..0..0..1..0..0..2....0..0..0..0..1..1..1..1....0..0..0..0..0..1..2..0

Crossrefs

Sequence in context: A365888 A240105 A205766 * A256770 A106812 A106811

Adjacent sequences: A183787 A183788 A183789 * A183791 A183792 A183793

Keyword

nonn

Author

R. H. Hardin Jan 07 2011

Status

approved