a(0) = 0, a(1) = 1, a(n+1) = 2*a(n) + (2*n-1)^2*a(n-1).
A072371
a(0) = 0, a(1) = 1, a(n+1) = 2*a(n) + (2*n-1)^2*a(n-1).
Terms
- a(0) =1a(1) =2a(2) =5a(3) =28a(4) =181a(5) =1734a(6) =18129a(7) =246072a(8) =3555945a(9) =62478090a(10) =1152624285a(11) =24859839060a(12) =558026987805
External references
- oeis: A072371