Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #3 Dec 15 2017 17:36:57
%S 8,3,5,1,9,11,13,1,1,19,3,2,2,27,29,1,33,5,37,9,8,43,5,2,1,3,1,25,57,
%T 59,61,1,65,67,6,1,8,6,11,2,81,83,5,87,9,7,3,95,1,22,27,18,15,107,16,
%U 81,8,10,117,2,121,2,125,1,129,131,19,27,25,139,3,26,145,3,149,18,9,5,157,3
%N Number of consecutive integers starting with n needed to sum to a perfect power.
%e a(5)=9 because 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 = 81 = 3^4, 9 consecutive integers are needed.
%Y Cf. A110233, A108910.
%K easy,nonn
%O 1,1
%A _Jason Earls_, Jul 17 2005