a(1) = a(2) = 1, a(n+2) = 2*a(n) + a(n+1)^2.
A113848
a(1) = a(2) = 1, a(n+2) = 2*a(n) + a(n+1)^2.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =11a(4) =127a(5) =16151a(6) =260855055
External references
- oeis: A113848
A113848
a(1) = a(2) = 1, a(n+2) = 2*a(n) + a(n+1)^2.