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 A268816 #8 Feb 28 2016 07:56:55 %S A268816 0,1,4,7,12,15,10,11,26,25,30,29,20,21,16,19,48,51,54,55,62,61,58,57, %T A268816 40,41,44,47,36,39,34,35,98,97,102,101,108,109,104,107,120,123,126, %U A268816 127,118,117,114,113,80,81,84,87,92,95,90,91,74,73,78,77,68,69,64,67,192,195,198,199,206,205,202,201,216,217 %N A268816 Row 6 of A269158. %C A268816 This sequence occurs as each row (4^k * 6) in array A269158, for all k >= 0. %H A268816 Antti Karttunen, <a href="/A268816/b268816.txt">Table of n, a(n) for n = 1..16384</a> %F A268816 a(n) = A269158(6,n) = F(6,2n-1), function F defined as in A269158. %o A268816 (Scheme) (define (A268816 n) (A269158auxbi 6 (+ n n -1))) ;; Code for A269158auxbi given in A269158. (Function F in its definition). %Y A268816 Cf. A269158. %K A268816 nonn %O A268816 1,3 %A A268816 _Antti Karttunen_, Feb 20 2016