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 A276341 #5 Sep 01 2016 10:55:24 %S A276341 1,2,3,5,6,7,9,10,11,13,14,15,16,17,19,20,21,23,24,25,27,28,29,31,32, %T A276341 33,34,35,37,38,39,41,42,43,45,46,47,49,50,51,52,53,55,56,57,59,60,61, %U A276341 63,64,65,67,68,69,70,71,73,74,75,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,97,98,99,101 %N A276341 Complement of A276340. %H A276341 Antti Karttunen, <a href="/A276341/b276341.txt">Table of n, a(n) for n = 1..4321</a> %o A276341 (Scheme, with _Antti Karttunen_'s IntSeq-library) %o A276341 (define A276341 (COMPLEMENT 1 A276340)) %Y A276341 Cf. A276340 (complement). %Y A276341 Cf. A276326. %K A276341 nonn,base %O A276341 1,2 %A A276341 _Antti Karttunen_, Sep 01 2016