|
| |
|
|
A084685
|
|
a(n) is the least x such that length of fixed-point-list when function-A085307[] was iterated and started at a(n) equals n.
|
|
0
| |
|
|
2, 4, 6, 14, 22, 115, 55, 105, 155, 145, 341, 501, 489, 143, 437, 301, 395, 665
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| Some lists of iterated values started at a(n):
n=1: a(1)=first prime; n=2: a(2)=first true prime factor;
n=3: a(3)=first 2^j.3^i number, that is 6;
n=5: {22,112,72,32,2}
n=12: length=a(12); iv=501; fixed-point=1354674597313; list as follows
{501, 1673, 2397, 47173, 293237, 2571637, 23593109, 273116353, 522211523, 8866073119, 57914987307, 1354674597313}
|
|
|
CROSSREFS
| Cf. A085307, A085308, A085309, A085317-A085323.
Sequence in context: A064409 A032353 A062112 * A151794 A181528 A058059
Adjacent sequences: A084682 A084683 A084684 * A084686 A084687 A084688
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Jul 16 2003
|
| |
|
|
