A346301 - OEIS

%I #7 Aug 15 2021 15:07:52

%S 1,2,3,6,7,9,12,14,15,17,19,21,24,26,28,30,31,33,35,37,39,41,43,45,48,

%T 50,52,54,56,58,60,62,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,

%U 96,98,100,102,104,106,108,110,112,114,116,118,120,122,124

%N Positions of words in A076478 such that first digit = last digit.

%C The sequences A346301 and A346302 partition the positive integers.

%C See A076478 for a guide to related sequences.

%e The first fourteen words w(n) are 0, 1, 00, 01, 10, 11, 000, 001, 010, 011, 100, 101, 110, 111, so that a(3) = 6.

%t (See A007931.)

%Y Cf. A007931, A076478, A346302.

%K nonn,base

%O 1,2

%A _Clark Kimberling_, Jul 21 2021