A259228 Lexicographically earliest sequence of distinct terms such that the first significant digits of 1/n start with a(n).

1, 5, 3, 2, 20, 16, 14, 12, 11, 10, 9, 8, 7, 71, 6, 62, 58, 55, 52, 50, 4, 45, 43, 41, 40, 38, 37, 35, 34, 33, 32, 31, 30, 29, 28, 27, 270, 26, 25, 250, 24, 23, 232, 22, 222, 21, 212, 208, 204, 200, 19, 192, 18, 185, 181, 17, 175, 172, 169, 166, 163, 161, 15

Offset

1,2

Comments

This is a permutation of the positive integers.

All fixed points are in A065924.

Links

Paul Tek, Table of n, a(n) for n = 1..10000

Paul Tek, PARI program for this sequence

Index entries for sequences that are permutations of the natural numbers

Example

+----+---------+----+
|  n |   1/n   |a(n)|
+----+---------+----+
|  1 | 1       |  1 |
|  2 | 0.5...  |  5 |
|  3 | 0.3...  |  3 |
|  4 | 0.2...  |  2 |
|  5 | 0.20... | 20 |
|  6 | 0.16... | 16 |
|  7 | 0.14... | 14 |
|  8 | 0.12... | 12 |
|  9 | 0.11... | 11 |
| 10 | 0.10... | 10 |
+----+---------+----+

Prog

(PARI) See Link section.

Crossrefs

Cf. A052039, A065924, A259229.

Sequence in context: A377470 A193958 A322289 * A241182 A193799 A262225

Adjacent sequences: A259225 A259226 A259227 * A259229 A259230 A259231

Keyword

nonn,base

Author

Paul Tek, Jun 21 2015

Status

approved