|
%I #4 Jun 16 2017 09:58:55
%S 2,7,16,17,20,25,34,35,42,43,50,51,54,55,58,59,62,67,72,81,82,85,90,
%T 99,100,107,108,115,116,119,120,123,124,127,136,137,144,145,148,149,
%U 152,153,156,165,166,173,174,177,178,181,182,185,190,191,194,195,198
%N Positions of 1 in A288673; complement of A288674.
%C Conjecture: a(n)/n->3.39..., and if m denotes this number, then -2 < m - a(n)/n) < 2 for n >= 1.
%H Clark Kimberling, <a href="/A288675/b288675.txt">Table of n, a(n) for n = 1..10000</a>
%t s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
%t w[n_] := StringReplace[w[n - 1], {"00" -> "0110", "10" -> "000"}]
%t Table[w[n], {n, 0, 8}]
%t st = ToCharacterCode[w[14]] - 48 (* A288673 *)
%t Flatten[Position[st, 0]] (* A288674 *)
%t Flatten[Position[st, 1]] (* A288675 *)
%Y Cf. A288673, A288674.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, Jun 15 2017
|
