login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A122442 Least k such that the Collatz (3x+1) iteration starting with k has "dropping time" A122437(n). 5
2, 5, 3, 11, 7, 39, 287, 231, 191, 127, 359, 511, 239, 159, 639, 283, 991, 251, 167, 111, 1695, 1307, 871, 927, 671, 155, 103, 1639, 91, 3431, 3399, 2287, 71, 6395, 47, 31, 2047, 27, 1819, 17691, 6887, 4591, 13439, 6383, 4255, 7963, 7527, 12399, 7279, 1583 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n = 1..130

CROSSREFS

Cf. A122437 (allowable "dropping times" of the Collatz iteration).

Sequence in context: A229608 A185061 A129198 * A225258 A162613 A120858

Adjacent sequences:  A122439 A122440 A122441 * A122443 A122444 A122445

KEYWORD

nonn

AUTHOR

T. D. Noe, Sep 06 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 8 18:55 EDT 2020. Contains 335524 sequences. (Running on oeis4.)