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 A320685 #4 Oct 19 2018 10:32:10 %S A320685 0,2,17,72,236,629,1595,3997,9471,20149,38930,70447,123090,210770, %T A320685 355651,590703,964039,1543512,2423915,3732549,5636518,8348518, %U A320685 12139004,17351874,24431558,33952483,46660067,63511160,85724877,114828861,152714868,201683593,264500182 %N A320685 Number of 10-element subsets of [n] having a prime element sum. %H A320685 Alois P. Heinz, <a href="/A320685/b320685.txt">Table of n, a(n) for n = 10..500</a> %Y A320685 Column k=10 of A282516. %K A320685 nonn %O A320685 10,2 %A A320685 _Alois P. Heinz_, Oct 19 2018