1/8 the number of triangular nXnXn arrays of integers in 1..8 with no element or any of its neighbors having the same value.
A180371
1/8 the number of triangular nXnXn arrays of integers in 1..8 with no element or any of its neighbors having the same value.
Terms
- a(0) =1a(1) =42a(2) =2520a(3) =136080a(4) =6531840a(5) =314616960
External references
- oeis: A180371