Number of n X 2 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column.
A206694
Number of n X 2 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column.
Terms
- a(0) =9a(1) =81a(2) =676a(3) =5625a(4) =46656a(5) =386884a(6) =3207681a(7) =26594649a(8) =220492801a(9) =1828075536a(10) =15156318321a(11) =125658906256
External references
- oeis: A206694