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 A243498 #7 Jun 21 2014 14:23:05 %S A243498 2,3,4,6,7,9,12,13,15,16,19,21,22,27,28,30,31,36,37,39,42,45,46,49,51, %T A243498 52,57,58,60,61,66,69,72,73,75,76,81,82,87,88,91,96,97,99,102,105,109, %U A243498 111,112,118,120,126,127,129,132,133,135,136,142,147,148,150 %N A243498 Records (and distinct values) of A243069: a(n) = A243069(A008578(n)). %H A243498 Antti Karttunen, <a href="/A243498/b243498.txt">Table of n, a(n) for n = 1..10000</a> %F A243498 a(n) = A243069(A008578(n)). %o A243498 (Scheme) (define (A243498 n) (A243069 (A008578 n))) %Y A243498 Cf. A243069, A243488, A126917, A008578. %K A243498 nonn %O A243498 1,1 %A A243498 _Antti Karttunen_, Jun 21 2014