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 A004901 #9 Mar 14 2015 01:16:56 %S A004901 0,1,2,3,4,5,6,1024,1025,1026,1027,1028,1029,2048,2049,2050,2051,2052, %T A004901 3072,3073,3074,3075,4096,4097,4098,5120,5121,6144,59049,59050,59051, %U A004901 59052,59053,59054,60073,60074,60075,60076,60077,61097,61098,61099,61100 %N A004901 Numbers that are the sum of at most 6 nonzero 10th powers. %K A004901 nonn %O A004901 1,3 %A A004901 _N. J. A. Sloane_