[seqfan] Re: A098786 = A067851
rayjchandler at sbcglobal.net
Wed Feb 4 16:11:33 CET 2009
> On Wed, Feb 4, 2009 at 9:20 AM, David Wilson
> <dwilson at gambitcomm.com> wrote:
> > I think A098786 is a bad version of A067851
> They seem to have nothing in common:
> %S A067851 2,26,170,321
> %N A067851 Prime(n) divides prime(n^2)-1.
> %S A098786
> %N A098786 a(n) = smallest number m not occurring earlier so
> that digits of m do
> not appear in a(n+1).
I think David meant A067581.
%S A067581 1,2,3,4,5,6,7,8,9,10,22,11,20,13,24,15,23,14,25,16,27,18,26,17,28,19,
%N A067581 a(1) = 1, a(n) = smallest integer not yet in the sequence with no digits
in common with a(n-1).
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