a(0) = 0, a(1) = 1, a(n+1) = 7*(2*n+1)*a(n) + n^4*a(n-1).
A143002
a(0) = 0, a(1) = 1, a(n+1) = 7*(2*n+1)*a(n) + n^4*a(n-1).
Terms
- a(0) =0a(1) =1a(2) =21a(3) =751a(4) =38500a(5) =2617756a(6) =225629712a(7) =23924915568
External references
- oeis: A143002