%I #8 May 07 2021 01:01:14
%S 1,2,3,4,7,10,11,12,14,16,17,18,22,23,25,26,27,32,34,35,37,38,39,40,
%T 42,46,49,50,52,53,55,56,57,58,60,61,63,68,70,73,74,76,77,79,80,82,83,
%U 84,85,87,88,90,92,96,100,103,104,106,109,110,112,113,115
%N Positions of words in A342753 in which 1st digit = last digit.
%C Every positive integer is in exactly one of the sequences A342780 and A342781.
%e Positions of the first 6 words in which 1st digit = last digit can be read from a list of the first 16 words in A342753: 0, 00, 1, 000, 01, 10, 0000, 001, 100, 010, 00000, 11, 0001, 0100, 1000, 0010.
%t (See A342753.)
%Y Cf. A342753, A342781.
%K nonn,base
%O 1,2
%A _Clark Kimberling_, Apr 11 2021