A217092 Values of A196189 such that both k and A196189(k) are odd.

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

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