Number of nX3 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, vertically or antidiagonally, and top left element zero.
A232943
Number of nX3 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, vertically or antidiagonally, and top left element zero.
Terms
- a(0) =9a(1) =99a(2) =1163a(3) =13707a(4) =161621a(5) =1905737a(6) =22471303a(7) =264968059a(8) =3124343613a(9) =36840376337a(10) =434399508111
External references
- oeis: A232943