[seqfan] Re: "Your sequence appears to be" feature

[Robert Munafo]

Wow. The server must be using some kind of difference table analysis
(or whatever it's called, I forget the terminology).

I've noticed that OEIS lookups are slower than they used to be. Maybe
this is part of the reason!

On 1/30/13, Alonso Del Arte <alonso.delarte at gmail.com> wrote:
> Maybe I missed the message announcing it, but I'm just now finding out
> about it: sometimes, when you search for a sequence that's not in the OEIS,
> the computer makes a guess at what the sequence might be. I tried
>
> 10,11,14,19,26,35,46,59,74,91,110
>
> and I got the response
>
> Sorry, but the terms do not match anything in the table.
>
> Your sequence appears to be: + 1 *x*2 - 2 *x* + 11
>
> (Oddly enough the OEIS has n^2 + 9 and n^2 + 11 but not n^2 + 10).

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