[seqfan] Re: A115159 looks incorrect

Giovanni Resta giovanni.resta at iit.cnr.it
Wed Aug 17 16:27:01 CEST 2011


On 08/17/2011 07:10 AM, Alonso Del Arte wrote:
> What if instead of nonnegative we say "positive" across the board, to rule
> out 0^2 and perhaps rescue 63 and 99?
>
> However, Giovanni's remark "There are 718 such numbers up to 2*10^9" makes
> me think there is some other requirement he neglected to communicate.

You are right. I will try to find my old program.

Either the program was buggy and the sequence is totally wrong,
or the program was right but I did copy and paste the wrong
description for that sequence...

giovanni



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