A183590 1/24 the number of (n+1)X6 0..3 arrays with every 2X2 subblock containing exactly three distinct values

44896, 13311808, 3887550226, 1137874208678, 332948364816764, 97427089099770040, 28508855963437333072, 8342194020938064158034, 2441072768449959930502546, 714300863879698663427107214

Offset

1,1

Comments

Column 5 of A183594

Links

R. H. Hardin, Table of n, a(n) for n = 1..63

Example

Some solutions with a(1,1)=0 for 3X6
..0..0..0..0..2..1....0..0..0..0..0..0....0..0..0..2..0..0....0..0..0..2..3..3
..1..2..1..3..0..1....1..2..1..2..3..1....1..3..2..1..2..3....1..3..1..2..1..2
..0..0..0..3..1..3....0..0..2..0..0..1....0..1..1..0..2..1....0..0..0..1..3..1

Crossrefs

Sequence in context: A197421 A197614 A202987 * A230618 A185574 A209783

Adjacent sequences: A183587 A183588 A183589 * A183591 A183592 A183593

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved