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 A035334 #12 Dec 07 2024 02:02:44 %S A035334 1,2,5,3,14,4,39,6,119,7,352,8,706,9,2104,10,4209,11,8419,12,24552,13, %T A035334 49106,15,188594,16,524494,17,1933822,18,5605163,19,15069555,20 %N A035334 a(n) = smallest number which is not the sum of exactly 1 or a(n-1) earlier terms. %H A035334 Sean A. Irvine, <a href="https://github.com/archmageirvine/joeis/blob/master/src/irvine/oeis/a035/A035334.java">Java program</a> (github) %e A035334 a(5)=14 since all earlier numbers are either in list (1,2,3,5) or the sum of 3 terms from list (4=1+1+2, 6=2+2+2, ..., 12=2+5+5, 13=3+5+5). %Y A035334 Cf. A055456. %K A035334 nonn,more %O A035334 1,2 %A A035334 _Erich Friedman_ %E A035334 a(9)-a(16) from _Henry Bottomley_, May 19 2000 %E A035334 a(17)-a(26) from Larry Reeves (larryr(AT)acm.org), May 08 2001 %E A035334 a(27)-a(32) from _Sean A. Irvine_, Oct 07 2020 %E A035334 a(33)-a(34) from _Michael S. Branicky_, Dec 06 2024