a(n) = a(n-1)*(1 + a(n-1)/a(n-3)), with a(0) = a(1) = a(2) = 1.
A250309
a(n) = a(n-1)*(1 + a(n-1)/a(n-3)), with a(0) = a(1) = a(2) = 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =42a(6) =924a(7) =143220a(8) =488523420
External references
- oeis: A250309