a(n) = 4th Chebyshev polynomial (first kind) evaluated at 2^n.
A020538
a(n) = 4th Chebyshev polynomial (first kind) evaluated at 2^n.
Terms
- a(0) =1a(1) =97a(2) =1921a(3) =32257a(4) =522241a(5) =8380417a(6) =134184961a(7) =2147352577a(8) =34359214081a(9) =549753716737
External references
- oeis: A020538