[seqfan] Re: web changes (AT) by @ and publishes e-mails

Andrew Weimholt andrew.weimholt at gmail.com
Tue Jun 29 11:06:53 CEST 2010


On Mon, Jun 28, 2010 at 11:35 PM, Simon Plouffe <simon.plouffe at gmail.com> wrote:
> Hum, perhaps with  a captcha test ?
>
> http://fr.wikipedia.org/wiki/Captcha
>
> kind of : 2,3,5,7,11,13,  what is the next term ?
>
> maybe even with a tougher one.
>

How about a "what's the next number in this sequence?" test :-)

Andrew




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