Thank you Wouter for passing on the correction and I'm hoping this gets to the list this time! For the record, a brute-force search with the Maple code of that message gives "A(n) = the number of n-digit numbers whose square has no zero digits" as: 3, 6, 19, 44, 136, 376, 1061, 2985, 8431, 24009, 67983, 193359 index from n=1 to 12 Ron Knott