%t A076493 Table[Length[Intersection[IntegerDigits[n], InterDigits[n^2]]],{n,1,100}]'d be %t A076493 Table[Length[Intersection[IntegerDigits[n], IntegerDigits[n^2]]],{n,1,100}] zak __________________________________ Discover Yahoo! Use Yahoo! to plan a weekend, have fun online and more. Check it out! http://discover.yahoo.com/