a(n) = 2^(n*(n-1)/2) + 2^(n*(n+1)/2) for n > 0, with a(0) = 1.
A337949
a(n) = 2^(n*(n-1)/2) + 2^(n*(n+1)/2) for n > 0, with a(0) = 1.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =72a(4) =1088a(5) =33792a(6) =2129920a(7) =270532608a(8) =68987912192
External references
- oeis: A337949