22
GolfScript, 75 69 65 60 59 chars
100,{)6,{.(&},{1$1$%{;}{4*35+6875*25base{90\-}%}if}%\or}%n*
So, you'd think GolfScript by itself is already obfuscated, right? Well, just to follow the spec, I decided to have the program not contain "fizz", "buzz", nor the numbers 3, 5, nor 15. :-)
Yes, there...