%I #3 Dec 15 2017 17:36:57
%S 8,4,7,4,13,16,19,8,9,28,13,13,14,40,43,16,49,22,55,28,28,64,27,25,25,
%T 28,27,52,85,88,91,32,97,100,40,36,44,43,49,41,121,124,47,130,53,52,
%U 49,142,49,71,77,69,67,160,70,136,64,67,175,61,181,63,187,64,193,196,85,94
%N a(n) is the minimal b >= n such that the sum of consecutive integers from n to b is a perfect power.
%e a(5)=13 because 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 = 81 = 3^4.
%Y Cf. A110234, A108910.
%K easy,nonn
%O 1,1
%A _Jason Earls_, Jul 17 2005