A060410 - OEIS

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A060410

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 associated maximal value reached in the trajectory with that start.

7

2, 8, 26, 80, 4616, 6560, 19682, 20762, 125252, 638468, 3405068, 4076810, 13557212, 25071632, 53179010, 60506432, 296639576, 785412368, 1241055674, 1399161680, 8601188876, 12324038948, 26241642656, 28495741760

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

David Barina, Table of n, a(n) for n = 1..93 (first 88 terms from the web page of Tomás Oliveira e Silva)

David Barina, Path records.

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

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

CROSSREFS

Cf. A006884, A060409, A060411.

Sequence in context: A295137 A126966 A002930 * A128634 A230904 A289595

Adjacent sequences: A060407 A060408 A060409 * A060411 A060412 A060413

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 06 2001

STATUS

approved