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A060411 In the `3x+1' problem, take the sequence of starting values which set new records for the highest point of the trajectory before reaching 1 (A006884); sequence gives iterate where maximal value is reached in the trajectory with that start. 4
0, 2, 3, 4, 45, 8, 31, 14, 48, 28, 49, 33, 26, 50, 35, 43, 67, 39, 69, 39, 35, 124, 83, 37, 132, 46, 81, 75, 83, 118, 68, 42, 72, 97, 98, 75, 92, 199, 109, 92, 92, 160, 91, 197, 119, 113, 109, 124, 176, 217, 234, 276, 172, 164, 233, 101, 109, 158, 157 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

N. J. A. Sloane, Table of n, a(n) for n=1..88 (from the web page of Tomás Oliveira e Silva)

Tomás Oliveira e Silva, Tables (gives many more terms)

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

CROSSREFS

Cf. A006884, A060409, A060410.

Sequence in context: A134305 A000033 A270350 * A037322 A037429 A230452

Adjacent sequences:  A060408 A060409 A060410 * A060412 A060413 A060414

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 06 2001; b-file added Nov 27 2007

STATUS

approved

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Last modified September 23 17:46 EDT 2017. Contains 292362 sequences.