A285687 Lexicographically earliest sequence of distinct positive terms such that, for any n>0, n and a(n) differ and overlap in base 10 (in the sense of A262323).

10, 12, 13, 14, 15, 16, 17, 18, 19, 1, 21, 2, 3, 4, 5, 6, 7, 8, 9, 22, 11, 20, 30, 32, 42, 52, 62, 72, 82, 23, 33, 24, 31, 40, 43, 53, 63, 73, 83, 34, 44, 25, 35, 41, 50, 54, 64, 74, 84, 45, 55, 26, 36, 46, 51, 60, 65, 75, 85, 56, 66, 27, 37, 47, 57, 61, 70

Offset

1,1

Comments

The definition of the overlapping of two numbers is that of the sequence A262323.

This sequence is a self-inverse permutation of the natural numbers.

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, PERL program for A285687

Index entries for sequences that are permutations of the natural numbers

Example

The first terms are:
n:    1,   2,  3,  4,  5,  6,  7,  8,  9, 10,  11, 12, 13, 14, 15,...
a(n): 10, 12, 13, 14, 15, 16, 17, 18, 19, 1,  21,   2,  3,  4,  5,...

Crossrefs

Cf. A262323.

Sequence in context: A098732 A301860 A109394 * A139704 A139819 A288040

Adjacent sequences: A285684 A285685 A285686 * A285688 A285689 A285690

Keyword

nonn,base,look

Author

Rémy Sigrist, May 03 2017

Extensions

Expanded definition. - N. J. A. Sloane, Oct 29 2023

Status

approved