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 A296083 #5 Dec 05 2017 21:23:11 %S A296083 0,2,3,3,5,11,7,14,6,17,11,27,13,23,23,15,17,38,19,41,31,35,23,59,15, %T A296083 41,13,11,29,71,31,62,47,53,47,45,37,59,55,89,41,95,43,83,77,71,47,41, %U A296083 28,92,71,97,53,17,71,17,79,89,59,167,61,95,103,21,83,143,67,25,95,143,71,194,73,113,123,139,95,167,79 %N A296083 a(1) = 0; for n > 1, a(n) = A039653(n) / gcd(A039653(n),A032741(n)). %H A296083 Antti Karttunen, <a href="/A296083/b296083.txt">Table of n, a(n) for n = 1..16384</a> %F A296083 a(1) = 0; for n > 1, a(n) = A039653(n) / gcd(A039653(n),A032741(n)). %o A296083 (Scheme) (define (A296083 n) (if (= 1 n) 0 (/ (A039653 n) (gcd (A039653 n) (A032741 n))))) %Y A296083 Cf. A032741, A039653, A296081, A296082. %K A296083 nonn %O A296083 1,2 %A A296083 _Antti Karttunen_, Dec 05 2017