%I #10 Jun 27 2021 03:39:38
%S 4,7,12,13,19,21,22,30,33,34,36,40,46,51,52,55,58,61,63,67,70,78,79,
%T 84,88,90,93,96,99,102,103,106,108,118,120,121,127,133,136,139,141,
%U 145,150,153,154,156,157,160,163,166,175,178,181,183,184,189,192,201
%N Numbers k such that the k-th word in A342910 starts with 0 and ends with 1.
%C The sequences A344158-A344161 partition the positive integers. See A342910 for a guide to related sequences.
%e The first twenty words w(n): 0, 1, 00, 01, 10, 000, 001, 11, 010, 0000, 100, 0001, 011, 101, 0010, 00000, 110, 0100, 00001, 1000; so a(1) = 4, a(2) = 7.
%t (See A342910.)
%Y Cf. A342910, A344158, A344160, A344161.
%K nonn,base
%O 1,1
%A _Clark Kimberling_, May 31 2021