|
| |
|
|
A110354
|
|
Rearrangement of natural numbers such that digit 'd' occurs exactly 'd' times. Once a cycle is completed i.e. 9 occurs 9 times. The same is repeated. The first number of the second cycle would be a number containing 1 once and which has not occurred earlier.
|
|
0
| |
|
|
1, 2, 23, 3, 34, 4, 44, 5, 55, 56, 65, 6, 66, 67, 7, 77, 777, 8, 88, 89, 98, 888, 9, 99, 9999, 13
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| Needs better description. Is the sequence finite?
|
|
|
EXAMPLE
| One cycle is complete at a(25). From a(1) to a(25), 1 occurs once, 2 occurs twice,..., 9 occurs 9 times etc.{ Note: a(25) = 9999 and not 999.} The second cylce starts at a(26) and a(26) = 13 as 12 has already occurred.
|
|
|
CROSSREFS
| Sequence in context: A107801 A076653 A114008 * A162711 A120713 A167920
Adjacent sequences: A110351 A110352 A110353 * A110355 A110356 A110357
|
|
|
KEYWORD
| base,nonn,obsc,uned
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 22 2005
|
| |
|
|