a(n) = 5th Chebyshev polynomial (second kind) evaluated at 2^n.

A020542

a(n) = 5th Chebyshev polynomial (second kind) evaluated at 2^n.

Terms

    a(0) =6a(1) =780a(2) =30744a(3) =1032240a(4) =33423456a(5) =1072693440a(6) =34351350144

External references