A183798 1/4 the number of (n+1)X6 0..3 arrays with no 2X2 subblock having sum 6

1664363, 2795479074, 4667280876143, 7801858146547239, 13038188765075658693, 21790300291942204212420, 36416871665698098357399165, 60861648410395945188375656659, 101714848253512230696174483833179

Offset

1,1

Comments

Column 5 of A183802

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

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

Crossrefs

Sequence in context: A204762 A333512 A061127 * A158957 A136295 A250932

Adjacent sequences: A183795 A183796 A183797 * A183799 A183800 A183801

Keyword

nonn

Author

R. H. Hardin Jan 07 2011

Status

approved