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 A346309 #17 Oct 31 2021 07:48:37 %S A346309 1,2,7,8,9,10,11,12,13,14,31,32,33,34,35,36,37,38,39,40,41,42,43,44, %T A346309 45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,127,128,129, %U A346309 130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145 %N A346309 Positions of words in A076478 such that #0's - #1's is odd. %F A346309 a(n) = A053754(n+1) + 1, conjectured. %e A346309 The first fourteen words w(n) are 0, 1, 00, 01, 10, 11, 000, 001, 010, 011, 100, 101, 110, 111, so that a(3) = 7. %t A346309 (See A076478) %Y A346309 Cf. A007931, A076478, A346310 (complement), A053754. %K A346309 nonn,base %O A346309 1,2 %A A346309 _Clark Kimberling_, Aug 28 2021