ALCON
> Date: Friday, August 6, 2010, 6:23 PM
> %C A179955 Contribution from Zak Seidov
> (zakseidov(AT)yahoo.com), Aug 06 2010: (Start)
> %C A179955 There are exactly 509 terms. Numbers of n-digit
> terms, for n=2..10 are
> %C A179955 9,36,84,126,126,84,36,7,1. (End)