

A342780


Positions of words in A342753 in which 1st digit = last digit.


3



1, 2, 3, 4, 7, 10, 11, 12, 14, 16, 17, 18, 22, 23, 25, 26, 27, 32, 34, 35, 37, 38, 39, 40, 42, 46, 49, 50, 52, 53, 55, 56, 57, 58, 60, 61, 63, 68, 70, 73, 74, 76, 77, 79, 80, 82, 83, 84, 85, 87, 88, 90, 92, 96, 100, 103, 104, 106, 109, 110, 112, 113, 115
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OFFSET

1,2


COMMENTS

Every positive integer is in exactly one of the sequences A342780 and A342781.


LINKS

Table of n, a(n) for n=1..63.


EXAMPLE

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.


MATHEMATICA

(See A342753.)


CROSSREFS

Cf. A342753, A342781.
Sequence in context: A182832 A082673 A080724 * A089589 A047546 A266530
Adjacent sequences: A342777 A342778 A342779 * A342781 A342782 A342783


KEYWORD

nonn,base


AUTHOR

Clark Kimberling, Apr 11 2021


STATUS

approved



