Erroneous version of A000120.
0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 3,
2 seqfan posts
Mon Dec 12 17:20:10 CET 2011 [seqfan] Re: A086421 is duplicate of A000120 ?
Mon Dec 12 17:01:41 CET 2011 [seqfan] A086421 is duplicate of A000120 ?
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