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 A185383 #16 Sep 18 2019 14:02:41 %S A185383 3,4,5,6,1,8,15,10,9,12,5,14,6,8,17,18,5,20,3,32,9,24,5,26,21,40,5,30, %T A185383 2,32,51,16,27,48,25,38,15,56,9,42,8,44,15,4,18,48,17,50,39,8,35,54, %U A185383 10,72,15,80,45,60,1,62,24,80,85,84,4,68,45,32,36,72,25,74,57 %N A185383 a(n) is the denominator of the fraction |n^2/A049417(n)-A064380(n)|. %C A185383 If A185373(n)=0, then we accept a(n)=1. %H A185383 Amiram Eldar, <a href="/A185383/b185383.txt">Table of n, a(n) for n = 2..10000</a> %F A185383 a(n)=n+1 iff n is in A050376. %Y A185383 Cf. A185373, A064380, A049417, A050376. %K A185383 nonn,frac,look %O A185383 2,1 %A A185383 _Vladimir Shevelev_, Feb 17 2011 %E A185383 a(73) corrected by _Amiram Eldar_, Sep 18 2019