A185519 Number of (n+1)X8 0..2 arrays with every 2X2 subblock singular

197329, 91539073, 7998109489, 1894624012417, 249246507105681, 46861672135881249, 7163899183570889649, 1241739109392066416737, 200179355912933753165009, 33717771304641221699901697

Offset

1,1

Comments

Column 7 of A185521

Links

R. H. Hardin, Table of n, a(n) for n = 1..181

Example

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

Crossrefs

Sequence in context: A035230 A099818 A345658 * A345659 A344942 A344943

Adjacent sequences: A185516 A185517 A185518 * A185520 A185521 A185522

Keyword

nonn

Author

R. H. Hardin Jan 29 2011

Status

approved