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 A276608 #5 Sep 15 2016 12:22:59 %S A276608 2,4,5,10,8,12,19,10,17,20,18,11,17,26,26,21,22,24,24,27,12,32,37,29, %T A276608 20,11,32,23,45,29,33,28,44,23,20,8,57,67,16,43,12,27,34,14,28,29,43, %U A276608 44,54,26,28,66,32,30,74,14,29,28,60,22,19,76,36,28,46,49,48,19,28,44,19,23,46,90,20,40,27,63,28,31,30,43,50 %N A276608 a(n) = A276607(n) / 2. %H A276608 Antti Karttunen, <a href="/A276608/b276608.txt">Table of n, a(n) for n = 1..4096</a> %H A276608 <a href="/index/Si#sieve">Index entries for sequences generated by sieves</a> %F A276608 a(n) = A276607(n) / 2. %o A276608 (Scheme) (define (A276608 n) (/ (A276607 n) 2)) %Y A276608 Cf. A276607, A276620. %K A276608 nonn %O A276608 1,1 %A A276608 _Antti Karttunen_, Sep 13 2016