A133423 Analog of A006684 for the 5x+1 problem (cf. A133419).

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

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

Index entries for sequences related to 3x+1 (or Collatz) problem

Crossrefs

Cf. A133419, A133424, A133419, ...

Sequence in context: A101414 A105884 A019410 * A154632 A236119 A141275

Adjacent sequences: A133420 A133421 A133422 * A133424 A133425 A133426

Keyword

nonn

Author

N. J. A. Sloane, Nov 27 2007

Status

approved