a(1)=1; for n > 1, a(n) = n*(a(n-1) + a(n-2) + ... + a(2) + a(1)) + 4.
A082430
a(1)=1; for n > 1, a(n) = n*(a(n-1) + a(n-2) + ... + a(2) + a(1)) + 4.
Terms
- a(0) =1a(1) =6a(2) =25a(3) =132a(4) =824a(5) =5932a(6) =48444a(7) =442916a(8) =4484524a(9) =49828044a(10) =602919332a(11) =7892762164a(12) =111156400476
External references
- oeis: A082430