a(1)=1. a(n) = number of earlier terms of {a(k)} which are coprime to A130158(n-1).
1, 1, 2, 3, 3, 5, 4, 7, 6, 9, 9, 11, 9, 10, 14, 13, 16, 11, 12, 7, 20, 14, 15, 23, 16, 17, 26
3 seqfan posts
Sun May 9 21:49:31 CEST 2010 [seqfan] Re: A130157 and A130158
Sun May 9 21:49:31 CEST 2010 [seqfan] Re: A130157 and A130158
Sun May 9 21:02:43 CEST 2010 [seqfan] A130157 and A130158
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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