# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a285567 Showing 1-1 of 1 %I A285567 #4 Apr 30 2017 22:37:40 %S A285567 2,3,6,7,9,10,12,13,16,17,19,20,21,22,24,25,28,29,31,32,34,35,38,39, %T A285567 42,43,46,47,49,50,52,53,56,57,59,60,61,62,64,65,68,69,71,72,74,75,78, %U A285567 79,81,82,84,85,88,89,91,92,93,94,96,97,100,101,103,104,106 %N A285567 Positions of 1 in A285565; complement of A285566. %C A285567 Conjecture: a(n)/n -> (1+sqrt(5))/2 = golden ratio (A001622). %H A285567 Clark Kimberling, Table of n, a(n) for n = 1..6178 %e A285567 As a word, A285565 = 01100110..., in which 1 is in positions 2,3,6,7,9,... %t A285567 s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 1, 1, 0}}] &, {0}, 8] (* A285565 *) %t A285567 Flatten[Position[s, 0]] (* A285566 *) %t A285567 Flatten[Position[s, 1]] (* A285567 *) %Y A285567 Cf. A001622, A285565, A285567, A285568. %K A285567 nonn,easy %O A285567 1,1 %A A285567 _Clark Kimberling_, Apr 30 2017 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE