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 A373617 #7 Jun 11 2024 07:02:41 %S A373617 10,11,14,23,27,35,39,52,53,58,76,83,107,115,125,138,152,175,178,186, %T A373617 223,227,262,297,357,358,373,383,411,491,502,527,530,555,788,818,843, %U A373617 877,915,933,962,1052,1073,1163,1207,1258,1275,1354,1423,1608,1622,1647 %N A373617 Positive integers that cannot be written as a sum of a practical number and a 14-gonal number. %C A373617 Somu and Tran (2024) conjectured that there are finitely many such integers. It was also conjectured that 106878 is the largest such integer. This conjecture was checked up to 10^8. %H A373617 Duc Van Khanh Tran, <a href="/A373617/b373617.txt">Table of n, a(n) for n = 1..79</a> %H A373617 Sai Teja Somu and Duc Van Khanh Tran, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL27/Somu/somu5.html">On sums of practical numbers and polygonal numbers</a>, Journal of Integer Sequences, 27(5), 2024. %Y A373617 Cf. A005153, A051866. %K A373617 nonn,hard %O A373617 1,1 %A A373617 _Duc Van Khanh Tran_, Jun 11 2024