n*a(n+1) = (2*n^2+3*n-1)*a(n)-(n^2-n-2)*a(n-1); a(0)=1, a(1)=3.
A259903
n*a(n+1) = (2*n^2+3*n-1)*a(n)-(n^2-n-2)*a(n-1); a(0)=1, a(1)=3.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =91a(4) =770a(5) =8050a(6) =100268a(7) =1449742a(8) =23865548a(9) =440676460a(10) =9019620680a(11) =202671360724
External references
- oeis: A259903