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 A176874 #18 Dec 23 2024 14:53:42 %S A176874 0,5,23,62,62,723,1578,1578,8139,39644,94323,94323,1317783,1680515, %T A176874 2025699,3205598,23003999,113333163,170717819,1710518799,3608109348, %U A176874 16655876439,24090452279 %N A176874 Minimal nonnegative integer that cannot be represented as the sum of an m-gonal and a k-gonal number for any k,m less than n. %C A176874 Indices of records in A176873 (with repetitions). %H A176874 Max Alekseyev, <a href="https://web.archive.org/web/*/http://list.seqfan.eu/oldermail/seqfan/2010-April/004449.html">Proof that the sequence is infinite</a>. [Sequence Fans mailing list, Apr 26 2010.] %F A176874 a(n) = smallest integer s such that A176873(s) >= n. %Y A176874 Cf. A176873, A176774. %K A176874 hard,more,nonn %O A176874 3,2 %A A176874 _Vladimir Shevelev_ and _Max Alekseyev_, Apr 27 2010 %E A176874 Edited by _N. J. A. Sloane_, Apr 29 2010 %E A176874 a(19)-a(22) from _Jon E. Schoenfield_, Aug 08 2010 %E A176874 a(23)-a(25) from _Donovan Johnson_, Jan 24 2011