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 A003396 #12 Aug 02 2020 21:22:24 %S A003396 7,518,1029,1540,2051,2562,3073,3584,19689,20200,20711,21222,21733, %T A003396 22244,22755,39371,39882,40393,40904,41415,41926,59053,59564,60075, %U A003396 60586,61097,78735,79246,79757,80268,98417,98928,99439,118099,118610,137781,262150,262661,263172,263683 %N A003396 Numbers that are the sum of 7 positive 9th powers. %H A003396 David A. Corneth, <a href="/A003396/b003396.txt">Table of n, a(n) for n = 1..10000</a> %e A003396 From _David A. Corneth_, Aug 02 2020: (Start) %e A003396 84634171 is in the sequence as 84634171 = 2^9 + 2^9 + 3^9 + 5^9 + 5^9 + 7^9 + 7^9. %e A003396 257513501 is in the sequence as 257513501 = 3^9 + 4^9 + 5^9 + 7^9 + 7^9 + 7^9 + 8^9. %e A003396 428037777 is in the sequence as 428037777 = 1^9 + 2^9 + 2^9 + 2^9 + 4^9 + 7^9 + 9^9. (End) %K A003396 nonn,easy %O A003396 1,1 %A A003396 _N. J. A. Sloane_