(Weight of binary expansion of n) + (length of binary expansion of n) - 1
0, 1, 2, 3, 3, 4, 4, 5, 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8, 6, 7, 7, 8, 7, 8, 8, 9, 6, 7
1 seqfan posts
Tue Aug 4 15:01:02 CEST 2009 [seqfan] Re: offset of A000254 wrong?