The Doudna sequence: write n-1 in binary; power of p_k in a(n) is # of 1's that are followed by k-1 0's.
1, 2, 3, 4, 5, 6, 9, 8, 7, 10, 15, 12, 25, 18, 27, 16, 11, 14, 21, 20, 35, 30, 45, 24, 49, 50
4 seqfan posts
Sat Mar 6 15:47:42 CET 2010 [seqfan] Re: A103969 is wrong, maybe useless
Sat Mar 6 14:57:32 CET 2010 [seqfan] Re: A103969 is wrong, maybe useless
Sat Mar 6 10:15:38 CET 2010 [seqfan] Re: A103969 is wrong, maybe useless
Sat Mar 6 09:49:43 CET 2010 [seqfan] A103969 is wrong, maybe useless
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.