> Like your thinking Zara but...Another go:
> ääääääääääää... <annoying game-show buzzing sound>
> ...not the answer I'm looking for.
>
> 1. The series is in base 10; so not 10, 11, 12...
>
> 2. I prepped Steve by mentioning his apparent bent for maths. It would
> be underhanded of me to then present a series that was
> alphabetically based. Also using "nul" (or "nil") instead of "zero"
> is not really playing fair; so not "nul, one, two, six, ten" (you
> forgot that one :-)
>
> 3. The fibonacci series extends to the left of zero as well as to the
> right, thus - ...5 -3 2 -1 1 0 1 1 2 3 5... For the '0' of my
> series to be generated in this manner requires a previous term
> of '0' and prior to that -1 and so on (see example below).
>
> "Mine": ...4 1 -2 0 -1 0 0 1 2 4 7 12...
> Fibon.: ...5 -3 2 -1 1 0 1 1 2 3 5 8...
>
> My series begins at '0', there are no previous terms that can
> exist. However, it is infinite and the fourth term is a little
> unexpected.
>
>
> Have another go.
>
> Mark
>
Series of primer numbers:
1,2,3,5,7,11,13,17...
Mark series, 1 less:
0,1,2,4,6,10,12,16...
Do I get the cookie?
Zara