Smallest divisor of 2n that is > 2, or 0 if no such divisor exists.
0, 4, 3, 4, 5, 3, 7, 4, 3, 4, 11, 3, 13, 4, 3, 4, 17, 3, 19, 4, 3, 4, 23, 3, 5, 4, 3, 4, 29, 3, 31
1 seqfan posts
Tue Jan 25 10:23:09 CET 2011 [seqfan] Re: OEISWiki : decomposition into weight * level + jump