This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A252476 #14 Aug 24 2015 04:19:04 %S A252476 1141,251,54,39,18,17,16,14,4,13,11 %N A252476 Least index k such that n = A252486(k), minimal number of 6th powers that sum to k^6; or a(n)=0 if no such k exists. %C A252476 It is not known whether a(6)>0. %C A252476 Further values are a(19)=9, a(21)=7, a(22)=6, a(29)=5, a(36)=3, a(64)=2. The last of these is most probably the last nonzero term of the sequence. %K A252476 nonn,more,hard %O A252476 7,1 %A A252476 _M. F. Hasler_, Dec 17 2014