a(0)=1; a(1)=1; for a>1, a(n)=a(n-1)+((n-1)^3)*a(n-2).
A167449
a(0)=1; a(1)=1; for a>1, a(n)=a(n-1)+((n-1)^3)*a(n-2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =64a(5) =704a(6) =8704a(7) =160768a(8) =3146240a(9) =85459456a(10) =2379068416a(11) =87838524416
External references
- oeis: A167449