[seqfan] Re: a(n) divides concat(a(1) ... a(n))

Hans Havermann pxp at rogers.com
Thu Oct 14 19:30:21 CEST 2010


> Cute! It will be A171785.

= 1, 2, 3, 5, 10, 12, 15, 20, 25, 30, 39, 44,...

The comment is: "Primes appearing so far are 2,3,39,101,1487."
In the comment, I suggest replacing the 39 with 5.




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