%I #9 Jul 09 2021 21:37:44
%S 1,3,6,9,11,16,17,19,25,27,29,30,32,42,43,45,46,48,50,51,53,67,69,71,
%T 72,74,76,77,79,80,82,84,85,87,110,111,113,114,116,118,119,121,122,
%U 124,126,127,129,131,132,134,135,137,139,140,142,177,179,181,182
%N Positions of words in A341258 starting with 0 and ending with 0.
%e The first twenty words w(n): 0, 1, 00, 01, 10, 000, 11, 001, 010, 100, 0000, 011, 101, 0001, 110, 0010, 0100, 1000, 00000, 111; so a(2) = 3.
%t (See A341258.)
%Y Cf. A341258, A342910.
%Y The sequences A344957-A344959 partition the positive integers.
%Y See A341258 for a guide to related sequences.
%K nonn,base
%O 1,2
%A _Clark Kimberling_, Jun 12 2021