**a(n) = the smallest positive integer not yet occurring such that the number of divisors of sum{k=1 to n} a(k) is exactly n.**

*1, 2, 6, 5, 67, 11, 637, 12, 348, 47, 57913, 26, 472366, 463, 26105, 15, 42488697*

*5 seqfan posts*

*Thu May 6 15:11:21 CEST 2010* [seqfan] Re: Is it certain that this is a permutation?

*Mon Apr 26 17:54:24 CEST 2010* [seqfan] Re: Is it certain that this is a permutation?

*Tue Apr 20 17:34:27 CEST 2010* [seqfan] Re: Is it certain that this is a permutation?

*Tue Apr 20 11:50:44 CEST 2010* [seqfan] Re: Is it certain that this is a permutation?

*Mon Apr 19 22:49:26 CEST 2010* [seqfan] Is it certain that this is a permutation?

Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword

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