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 A047717 #10 Jul 07 2018 01:50:01
%S A047717 6,21,36,51,66,86,96,101,116,131,146,161,166,181,196,211,226,246,261,
%T A047717 276,291,306,321,326,336,341,356,371,386,401,406,421,436,451,466,486,
%U A047717 501,516,531,546,561,576,581,596,611,630,645,660,661,676,691,705,710
%N A047717 Numbers that are the sum of 6 but no fewer nonzero fourth powers.
%H A047717 David A. Corneth, <a href="/A047717/b047717.txt">Table of n, a(n) for n = 1..26675</a> (terms <= 200000)
%o A047717 (PARI) upto(n)={my(e=6); my(s=sum(k=1, sqrtint(sqrtint(n)), x^(k^4)) + O(x*x^n)); my(p=s^e, q=(1 + s)^(e-1)); select(k->polcoeff(p,k) && !polcoeff(q,k), [1..n])} \\ _Andrew Howroyd_, Jul 06 2018
%Y A047717 Cf. A000583, A002377, A003340.
%K A047717 nonn
%O A047717 1,1
%A A047717 Arlin Anderson (starship1(AT)gmail.com)