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 A330741 #5 Dec 29 2019 19:35:15 %S A330741 1,2,3,4,5,3,7,8,9,5,11,2,13,7,5,16,17,9,19,5,3,11,23,3,25,13,27,7,29, %T A330741 5,31,32,11,17,7,9,37,19,13,8,41,3,43,11,3,23,47,8,49,25,17,13,53,27, %U A330741 11,8,19,29,59,5,61,31,9,64,13,11,67,17,3,7,71,9,73,37,25,19,11,13,79,16,81,41,83,3,17,43,29,11,89,3 %N A330741 a(n) = gcd(A309639(n), A319626(n)). %H A330741 Antti Karttunen, <a href="/A330741/b330741.txt">Table of n, a(n) for n = 1..65537</a> %F A330741 a(n) = gcd(A309639(n), A319626(n)). %F A330741 a(n) = n / A330742(n). %o A330741 (PARI) A330741(n) = gcd(A309639(n), A319626(n)); %Y A330741 Cf. A309639, A319626, A330742, A330749. %K A330741 nonn %O A330741 1,2 %A A330741 _Antti Karttunen_, Dec 29 2019