A060414 In the '3x+1' problem, take the sequence of starting values which set new records for the "dropping time" (A060412); sequence gives associated maximal value reached in the trajectory with that start.

2, 8, 26, 4616, 125252, 1242458, 20581856, 12324038948, 282667562, 282667562, 3611141594, 8904120362, 45119577824, 8077577336, 795853127168, 44621605808, 1848429310544, 3604523133626, 483308017730

Offset

1,1

Links

N. J. A. Sloane, Table of n, a(n) for n = 1..35 (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

Sequence in context: A130613 A143338 A027267 * A365806 A087241 A347595

Adjacent sequences: A060411 A060412 A060413 * A060415 A060416 A060417

Keyword

nonn

Author

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

Status

approved