Triangle read by rows in which row n lists the first 2^(n-1) terms of A003602.
1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 2, 4, 1, 1, 1, 2, 1, 3, 2, 4, 1, 5, 3, 6, 2, 7, 4, 8, 1, 1, 1, 2
1 seqfan posts
Mon Feb 21 04:53:48 CET 2011 [seqfan] Alford Arnold's sequence A167204