This site is supported by donations to The OEIS Foundation.



Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS").
Other ways to donate

(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A037238 x->5x-1 if x odd, else x->x/2. 1


%S 19,94,47,234,117,584,292,146,73,364,182,91,454,227,1134,567,2834,

%T 1417,7084,3542,1771,8854,4427,22134,11067,55334,27667,138334,69167,

%U 345834,172917,864584,432292,216146,108073,540364,270182,135091,675454,337727

%N x->5x-1 if x odd, else x->x/2.

%H T. D. Noe, <a href="/A037238/b037238.txt">Table of n, a(n) for n=1..437</a>

%K nonn,easy

%O 1,1

%A Dan Goldwater (dan(AT)craftech.com)

%E Reaches 4,2,1,4,2,1,... in 437 steps. - T. D. Noe, Mar 01 2008

%E More terms from _Erich Friedman_.

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 December 14 04:53 EST 2018. Contains 318090 sequences. (Running on oeis4.)