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 A246431 #12 Sep 27 2014 13:14:00 %S A246431 0,2,1,3,727 %N A246431 Smallest m such that A101403(m) = n. %C A246431 A101403(a(n)) = n; %C A246431 No more terms based on first 10^6 terms of A101402. %C A246431 No more terms based on the first 3*10^7 terms of A101402. - _Robert G. Wilson v_, Sep 19 2014 %e A246431 a(5) = A129117(1) = 727. %o A246431 (Haskell) %o A246431 import Data.List (elemIndex); import Data.Maybe (fromJust) %o A246431 a246431 = fromJust . (`elemIndex` a101403_list) %Y A246431 Cf. A101403, A101402. %K A246431 nonn,more %O A246431 1,2 %A A246431 _Reinhard Zumkeller_, Aug 28 2014