Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 4-1 2-cycles.
A271965
Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 4-1 2-cycles.
Terms
- a(0) =1a(1) =6a(2) =61a(3) =2153a(4) =177988a(5) =39916412a(6) =22826735465
External references
- oeis: A271965