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 A365127 #25 Aug 30 2023 21:27:16 %S A365127 2,3,4,5,6,7,8,11,12,13,14,17,18,19,20,21,23,24,27,29,30,31,32,33,35, %T A365127 37,38,39,41,42,43,44,45,47,48,53,54,57,59,60,61,62,63,67,68,69,71,72, %U A365127 73,74,75,77,79,80,83,84,86,87,88,89,90,92,94,95,97,98,99,100 %N A365127 Numbers that are the sum of a prime number and a fourth power of a nonnegative integer. %t A365127 nmax = 100; f[x_] := Sum[x^Prime[i], {i, 1, nmax}] Sum[x^j^4, {j, 0, nmax^(1/4)}]; Exponent[#, x] & /@ List @@ Normal[Series[f[x], {x, 0, nmax}]] %Y A365127 Cf. A014089, A307646, A365126, A365166, A365168. %K A365127 nonn %O A365127 1,1 %A A365127 _Ilya Gutkovskiy_, Aug 24 2023