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!)
A039504 Odd numbers from A039501. 2

%I

%S 5,7,9,13,19,27,35,47,51,63,75,81,89,93,107,119,121,125,133,139,143,

%T 149,159,161,167,177,181,187,191,199,203,215,223,237,241,251,255,265,

%U 271,281,285,287,297,299,317,323,333,335,341,353,355,357,361,371,375

%N Odd numbers from A039501.

%t colln[n_]:= NestWhile[If[EvenQ[#], #/2, 3#-1] &, n, FreeQ[{1, 5, 17}, #] &]; Select[Range[1, 375, 2], colln[#] == 5 &] (* _Jayanta Basu_, Jun 06 2013 *)

%Y Cf. A037084, A039500-A039505.

%K nonn,easy

%O 1,1

%A _Christian G. Bower_, Feb 15 1999

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 May 13 19:36 EDT 2021. Contains 343868 sequences. (Running on oeis4.)