a(0) = 0, a(1) = 1, a(n+1) = (2*n+1)*(n^2+n+25)*a(n) - n^6*a(n-1).
A143005
a(0) = 0, a(1) = 1, a(n+1) = (2*n+1)*(n^2+n+25)*a(n) - n^6*a(n-1).
Terms
- a(0) =0a(1) =1a(2) =81a(3) =12491a(4) =3176120a(5) =1235165464a(6) =697648230720
External references
- oeis: A143005