The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

Revision History for A033963 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A033963

Trajectory of 1 under map n->11n+1 if n odd, n->n/2 if n even
(history; published version)

#3 by Russ Cox at Fri Mar 30 16:47:26 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:47

OEIS Server: https://oeis.org/edit/global/110

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

Trajectory of 1 under map n->11n+1 if n odd, n->n/2 if n even

DATA

1, 12, 6, 3, 34, 17, 188, 94, 47, 518, 259, 2850, 1425, 15676, 7838, 3919, 43110, 21555, 237106, 118553, 1304084, 652042, 326021, 3586232, 1793116, 896558, 448279, 4931070, 2465535, 27120886, 13560443

OFFSET

0,2

KEYWORD

nonn

AUTHOR

njas

STATUS

approved