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!)
A217092 Values of A196189 such that both k and A196189(k) are odd. 2
3, 7, 15, 35, 57, 99, 429, 445, 731, 5151, 12619, 30061, 68517, 111435, 766963, 5272667, 5892979, 10855425, 11475773, 34427205, 200476101, 879640035, 879640081, 5987618771, 9464300559, 13456046373, 33028477513, 85307471025 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A196190 for the indices of odd numbers such that A196189(n) is odd.

a(29) > 10^11.

LINKS

Table of n, a(n) for n=1..28.

EXAMPLE

The values of A196189 begin with 3, 5, 7, 9, 8, 11, 10, 13, 14, 17, 15, 19, 16, 23. The odd values with odd n of A196189 start with 3, 7, 15.  Thus A217092(3) = 15 and A196190(3) = 11.

CROSSREFS

Cf. A196189, A196190.

Sequence in context: A147379 A213722 A325924 * A153588 A221945 A077946

Adjacent sequences:  A217089 A217090 A217091 * A217093 A217094 A217095

KEYWORD

nonn

AUTHOR

Robert Price, Sep 26 2012

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 August 13 02:09 EDT 2020. Contains 336441 sequences. (Running on oeis4.)