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 A327867 #5 Sep 30 2019 20:20:25 %S A327867 1,1,-2,5,-2,2,-2,9,7,8,-2,4,-2,12,15,14,-2,15,-2,17,23,21,-2,20,23, %T A327867 19,20,18,-2,18,-2,33,41,32,33,24,-2,34,44,23,-2,27,-2,33,25,44,-2,32, %U A327867 43,31,64,42,-2,32,53,46,67,48,-2,32,-2,60,39,58,62,40,-2,62,90,44,-2,44,-2,78,37,70,51,55,-2,58,47,84,-2,50 %N A327867 Even bisection of Möbius transform of A064664, the inverse of EKG-sequence. %H A327867 Antti Karttunen, <a href="/A327867/b327867.txt">Table of n, a(n) for n = 1..16384</a> %H A327867 <a href="/index/Ed#EKG">Index entries for sequences related to EKG sequence</a> %F A327867 a(n) = A304526(2*n). %F A327867 a(p) = -2 for all odd primes p. %Y A327867 Cf. A064413, A064664, A304526. %K A327867 sign %O A327867 1,3 %A A327867 _Antti Karttunen_, Sep 30 2019