Number of nX2 arrays containing 2 copies of 0..n-1 with no element plus any horizontal or vertical neighbor equal to n-1.
A265660
Number of nX2 arrays containing 2 copies of 0..n-1 with no element plus any horizontal or vertical neighbor equal to n-1.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =112a(4) =4912a(5) =265440a(6) =31924032a(7) =3170361984a(8) =597787563264
External references
- oeis: A265660