%I #12 Jan 18 2017 22:36:20
%S 8,64,512,8192,65536,524288,8388608,67108864,536870912,8589934592,
%T 68719476736,549755813888,8796093022208,70368744177664,
%U 562949953421312,9007199254740992
%N Duplicate of A074116.
%K dead
%O 1,1