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A074110
Largest n-digit squarefree number.
1
7, 97, 998, 9998, 99998, 999997, 9999998, 99999998, 999999998, 9999999998, 99999999998, 999999999998, 9999999999998, 99999999999998, 999999999999998, 9999999999999998, 99999999999999998, 999999999999999998
OFFSET
1,1
MATHEMATICA
Table[x = 10^n; k = -1; While[! SquareFreeQ[y = x + k], k += -1]; y, {n, 18}] (* Jayanta Basu, Aug 01 2013 *)
CROSSREFS
Cf. A074109.
Sequence in context: A003618 A173833 A093172 * A155644 A243867 A232290
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Aug 26 2002
EXTENSIONS
More terms from Matthew Conroy, Aug 27 2002
STATUS
approved