Differences between composite numbers.
2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1
1 seqfan posts
Tue Jan 25 10:23:09 CET 2011 [seqfan] Re: OEISWiki : decomposition into weight * level + jump