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 A290083 #11 Jul 22 2017 10:13:29 %S A290083 1,2,3,4,4,6,7,8,9,10,11,12,14,10,15,16,18,19,20,19,22,23,19,24,23,25, %T A290083 26,27,29,30,31,32,33,34,35,36,37,27,38,39,41,42,43,44,46,47,38,48,50, %U A290083 38,51,52,53,54,55,48,56,57,47,58,60,61,51,62,64,65,66,48,68,69,70,71,72,64,73,74,58,71,76,77,79,80,81,82,76,66,84,71,85,86,87,71 %N A290083 Odd bisection of A289626. %H A290083 Antti Karttunen, <a href="/A290083/b290083.txt">Table of n, a(n) for n = 1..16384</a> %F A290083 a(n) = A289626(2n-1). %o A290083 (Scheme) (define (A290083 n) (A289626 (+ n n -1))) %Y A290083 Cf. A037225, A278223, A289626. %K A290083 nonn %O A290083 1,2 %A A290083 _Antti Karttunen_, Jul 19 2017