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 A373664 #7 Jun 13 2024 01:44:40 %S A373664 10,11,15,22,23,26,27,38,46,47,50,58,59,62,71,74,77,83,86,95,98,103, %T A373664 110,114,115,119,122,131,134,139,143,146,149,155,166,167,170,175,178, %U A373664 179,182,187,191,194,202,203,206,207,215,227,230,238,239,242,248,250 %N A373664 Positive integers that cannot be written as a sum of a practical number and a 12-gonal number. %C A373664 Somu and Tran (2024) proved that there are infinitely many such integers. More generally, infinitely many positive integers cannot be written as a sum of a practical number and an s-gonal number if s is a multiple of 12. %H A373664 Duc Van Khanh Tran, <a href="/A373664/b373664.txt">Table of n, a(n) for n = 1..10000</a> %H A373664 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 A373664 Cf. A005153, A051624. %K A373664 nonn %O A373664 1,1 %A A373664 _Duc Van Khanh Tran_, Jun 12 2024