Second in a series of triangular arrays providing index numbers for subsequences of A060351.
6, 10, 13, 18, 21, 27, 34, 37, 43, 55, 66, 69, 75, 87, 111, 130, 133, 139, 151, 175, 22
1 seqfan posts
Mon Feb 21 04:53:48 CET 2011 [seqfan] Alford Arnold's sequence A167204