a(n) = a(n-3)^3 + a(n-2)^2 + a(n-1); a(1) = -1, a(2) = 0, a(3) = 1.
A111121
a(n) = a(n-3)^3 + a(n-2)^2 + a(n-1); a(1) = -1, a(2) = 0, a(3) = 1.
Terms
- a(0) =-1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =3a(7) =8a(8) =25a(9) =116a(10) =1253a(11) =30334a(12) =3161239a(13) =2890534072
External references
- oeis: A111121