a(0)=1, a(n+1) = a(n) + a(n-1)*a(n-2) + a(n-3)*a(n-4)*a(n-5) + a(n-6)*a(n-7)*a(n-8)*a(n-9) + ... + ...*a(0).
A227366
a(0)=1, a(n+1) = a(n) + a(n-1)*a(n-2) + a(n-3)*a(n-4)*a(n-5) + a(n-6)*a(n-7)*a(n-8)*a(n-9) + ... + ...*a(0).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =13a(6) =33a(7) =118a(8) =584a(9) =4714a(10) =76206a(11) =2879841a(12) =364389490a(13) =220150411628
External references
- oeis: A227366