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A133423 Analog of A006684 for the 5x+1 problem (cf. A133419). 3
1, 5, 17, 23, 41, 53, 65, 71, 77, 95, 221, 317, 365, 383, 3317, 3575, 3605, 6473, 24125, 31901, 39965, 44183, 163733, 317885, 490541, 519113, 558365, 602591, 707735, 753023, 1019615, 1463897, 1597973, 1752575, 4595735, 6197855 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The 5x+1 map sends x to x/2 if x is even, x/3 if x is divisible by 3, otherwise 5x+1.
LINKS
N. J. A. Sloane, Table of n, a(n) for n=1..89 (from the web page of Tomás Oliveira e Silva)
Tomás Oliveira e Silva, The px+1 problem
CROSSREFS
Sequence in context: A101414 A105884 A019410 * A154632 A236119 A141275
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 27 2007
STATUS
approved

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Last modified March 4 13:38 EST 2024. Contains 370532 sequences. (Running on oeis4.)