Differences between products of 2 primes.
2, 3, 1, 4, 1, 6, 1, 3, 1, 7, 1, 1, 3, 1, 7, 3, 2, 4, 2, 1, 4, 3, 4, 5, 3, 5, 3, 1, 1, 4, 2, 1, 1, 11
1 seqfan posts
Tue Jan 25 10:23:09 CET 2011 [seqfan] Re: OEISWiki : decomposition into weight * level + jump