A185566 1/4 the number of nX8 0..3 arrays with no element equal both to the element above and to the element to its left

16384, 683437500, 28355191537860, 1176277376648694960, 48796145962555619907720, 2024236566241727245692157080, 83972485690826213759616527499540, 3483475434832751291309593655505225600

Offset

1,1

Comments

Column 8 of A185567

Links

R. H. Hardin, Table of n, a(n) for n = 1..158

Example

Some solutions for 3X8 with a(1,1)=0
..0..0..0..0..0..0..1..3....0..0..0..0..0..0..1..1....0..0..0..0..0..2..2..1
..0..2..0..2..2..0..0..1....0..2..0..2..2..2..3..1....0..2..0..2..2..0..2..3
..0..0..2..0..0..2..0..3....0..0..2..0..0..2..2..1....0..0..2..0..2..0..0..1

Crossrefs

Sequence in context: A017575 A223806 A223584 * A160868 A351313 A230635

Adjacent sequences: A185563 A185564 A185565 * A185567 A185568 A185569

Keyword

nonn

Author

R. H. Hardin Jan 31 2011

Status

approved