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 A373615 #7 Jun 11 2024 04:44:59 %S A373615 10,11,14,22,26,44,45,52,63,68,69,87,92,93,116,117,152,164,172,182, %T A373615 188,194,233,242,243,247,248,259,279,327,374,377,402,434,482,517,579, %U A373615 629,712,752,759,777,824,852,934,997,1209,1238,1287,1314,1454,1602,1804 %N A373615 Positive integers that cannot be written as a sum of a practical number and an 11-gonal number. %C A373615 Somu and Tran (2024) conjectured that there are finitely many such integers. It was also conjectured that 105712 is the largest such integer. This conjecture was checked up to 10^8. %H A373615 Duc Van Khanh Tran, <a href="/A373615/b373615.txt">Table of n, a(n) for n = 1..68</a> %H A373615 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 A373615 Cf. A005153, A051682. %K A373615 nonn,hard %O A373615 1,1 %A A373615 _Duc Van Khanh Tran_, Jun 11 2024