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 A254112 #8 Dec 15 2015 12:12:07 %S A254112 1,1,2,3,1,2,4,5,3,6,7,1,2,4,8,9,5,10,11,3,6,12,13,7,14,15,1,2,4,8,16, %T A254112 17,9,18,19,5,10,20,21,11,22,23,3,6,12,24,25,13,26,27,7,14,28,29,15, %U A254112 30,31,1,2,4,8,16,32,33,17,34,35,9,18,36,37,19,38,39,5,10,20,40,41,21,42,43,11,22,44,45,23,46,47,3,6,12,24,48,49,25,50 %N A254112 Row index of n in A254105: If A234017(n) = 0, then a(n) = A213714(n), otherwise a(n) = a(A234017(n)). %H A254112 Antti Karttunen, <a href="/A254112/b254112.txt">Table of n, a(n) for n = 1..8192</a> %F A254112 If A234017(n) = 0, then a(n) = A213714(n), otherwise a(n) = a(A234017(n)). %o A254112 (Scheme with memoizing macro definec) %o A254112 (definec (A254112 n) (if (zero? (A234017 n)) (A213714 n) (A254112 (A234017 n)))) %Y A254112 Row index of n in A254105. Column index for A254107. %Y A254112 Cf. A254111 (corresponding column index). %Y A254112 Cf. A213714, A234017. %K A254112 nonn %O A254112 1,3 %A A254112 _Antti Karttunen_, Jan 27 2015