A185566 - OEIS

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, 144506870378340096733678787140956164140980, 5994655618274661942394225852870467331249868640

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

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

Column 8 of A185567.