a(n) = 1^n + 2^n + 4^n + 8^n + 16^n.

A020514

a(n) = 1^n + 2^n + 4^n + 8^n + 16^n.

Terms

    a(0) =5a(1) =31a(2) =341a(3) =4681a(4) =69905a(5) =1082401a(6) =17043521a(7) =270549121a(8) =4311810305a(9) =68853957121

External references