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 A084463 #12 Jun 04 2020 05:19:31 %S A084463 3,6,7,10,12,14,15,17,19,20,21,24,25,26,27,30,31,33,34,36,37,38,40,42, %T A084463 43,44,45,47,49,50,51,52,53,56,57,58,60,61,63,64,65,66,68,69,71,72,73, %U A084463 74,75,77,79,80,81,82,83,84,87,88,89,91,92,93,95,96,97,98,100,101,102 %N A084463 Positions of even juggling states in A084457, i.e., positions of zeros in A084458 - 1. %H A084463 Antti Karttunen, <a href="/A084507/a084507.scm.txt">Scheme-program for computing this sequence</a> %Y A084463 Complement: A084464. %K A084463 nonn %O A084463 1,1 %A A084463 _Antti Karttunen_, Jun 02 2003