[seqfan] Re: Email addresses Was: offset of A000254 wrong?

Charles Greathouse charles.greathouse at case.edu
Tue Aug 4 17:17:19 CEST 2009

I've been thinking about just that problem, and also the problem of
information becoming dated.  For example, my old email address appears
throughout the database -- and I'm sure a query on the database would
show many people in the same situation.  It seems there's a natural
solution for both problems, but I'm not sure about specifics.  Any

Also, it may be best to consider this in light of the upcoming OEIS
wiki.  Any news on that front, Neil?

Charles Greathouse
Case Western Reserve University

On Tue, Aug 4, 2009 at 10:08 AM, Leroy Quet<q1qq2qqq3qqqq at yahoo.com> wrote:
>> This is explained in
>> http://list.seqfan.eu/pipermail/seqfan/2008-November/000244.html
>> and the followup-discussion in the SeqFan list.
>> Richard Mathar
> I personally would love to have my email address given on the EIS instead of my homepage, but there seemed to be some spam bots that can understand the "(AT)" in our email addresses. However,... my email address (with "(AT)") does occur in numerous newer sequences of mine in the EIS. And I have NOT been getting much spam lately at all. So, either yahoo now has better spam blocking in place, or the spam bots that can understand the "(AT)" have moved on (but they may return later).
> This has been discussed much in the past, but maybe we need an image, say, for the @ symbol in our email addresses instead of "(AT)", or have some other method of hiding our email addresses from spam bots. (Maybe representing each entire email address as an image? Or maybe a text-based prove-you-are-human challenge before revealing email addresses to OEIS users.)
> Some of you may will say how we just have to get better spam filters for ourselves. But these, in my experience, either/both don't block all the spam or/and block many legitimate messages.
> It can't be too hard to provide a better spam-bot-block for our email addresses, can it? There has to be lots of ways email addresses can
> be hidden.
> Thanks,
> Leroy Quet
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