login
Numbers k such that the k-th word in A342910 starts with 1 and ends with 0.
4

%I #6 Jun 02 2021 22:40:44

%S 5,11,17,20,29,32,35,47,50,53,56,62,74,77,83,86,89,95,98,107,113,119,

%T 128,131,137,143,146,149,152,161,164,170,173,182,188,194,200,209,218,

%U 221,224,227,230,233,245,248,251,257,260,263,269,275,284,287,293,296

%N Numbers k such that the k-th word in A342910 starts with 1 and ends with 0.

%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) = 5, a(2) = 11.

%t (See A342910.)

%Y Cf. A342910, A344158, A344159, A344161.

%K nonn,base

%O 1,1

%A _Clark Kimberling_, Jun 01 2021