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 A255059 #8 Feb 17 2015 00:10:35 %S A255059 0,2,3,5,6,10,11,14,15,19,20,23,24,25,26,30,31,35,36,39,40,41,42,44, %T A255059 48,52,53,54,55,59,60,64,65,68,69,70,71,73,77,79,81,83,88,92,93,94,95, %U A255059 97,101,105,106,107,108,112,113,117,118,121,122,123,124,126,130,132,134,136,141,143,145,148,149,151,154,156,161,165 %N A255059 Positions n where A255054(n) is odd. %H A255059 Antti Karttunen, <a href="/A255059/b255059.txt">Table of n, a(n) for n = 1..10000</a> %o A255059 (Scheme, with _Antti Karttunen_'s IntSeq-library) %o A255059 (define A255059 (MATCHING-POS 1 0 (lambda (n) (odd? (A255054 n))))) %Y A255059 Complement: A255060. %Y A255059 Cf. A255061 (apart from its second term 1 is a subsequence). %Y A255059 Cf. A255054. %K A255059 nonn %O A255059 1,2 %A A255059 _Antti Karttunen_, Feb 16 2015