Re: Python sol'n to qotw 23 (parens)

> > Matthew said the 12 case generated over 200,000
> > solutions, which is what I get.  I don't see
> > any other posts which list the sizes.  I
> > would like to have the double check.
> 
> That's the exact size I got, which implies we both got the solution
> right... or at least wrong in exactly the same way :-)

from the mathworld page on Catalan Numbers, the function for the sizes is

C(n) = (2n)!/((n+1)!n!)

so C(12) == 208,012