a(n) is the permanent of the n X n matrix M(n) whose generic entry M(i, j, n) is F(2*n - (i + j)) with 1 <= i,j <= n and F = A000045.
A390884
a(n) is the permanent of the n X n matrix M(n) whose generic entry M(i, j, n) is F(2*n - (i + j)) with 1 <= i,j <= n and F = A000045.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =8a(4) =276a(5) =29340a(6) =9861600a(7) =10045401600
External references
- oeis: A390884