[seqfan] Re: The last digit "d" of a(n) is present in a(n+1+d) --END
Edwin Clark
eclark at math.usf.edu
Tue Feb 3 17:43:09 CET 2009
On Mon, 2 Feb 2009, zak seidov wrote:
> Writing only n (not squares), the sequence's start and end are:
>
> {0,1,2,3,4,5,6,7,9,8,10,15,12,16,20,11,22,13,18,14,28,19,17,..
> ...,954,1838,1003,1865,1030,1935,1054,2082,1034,2878,1037}
> 1202 terms! Seq is finite(()
> zak
>
The term after a(1201) = 1037^2 = 1075369 is a(1202) = 44484284288828484.
See sequence http://www.research.att.com/~njas/sequences/A027678
pointed out in previous discussion about this problem by Maximilian
Hasler.
Using this it is easy to get terms up to a(1607). And only out of laziness
I don't try for the next term.
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