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A240091
a(n) = (10^n - 1)^n.
3
1, 9, 9801, 997002999, 9996000599960001, 9999500009999900000499999, 999994000014999980000014999994000001, 9999993000002099999650000034999997900000069999999, 9999999200000027999999440000006999999944000000279999999200000001
OFFSET
0,2
EXAMPLE
a(3) = 999^3 = 997002999.
CROSSREFS
Cf. A024115.
Sequence in context: A367517 A327897 A249837 * A263438 A137063 A175987
KEYWORD
nonn
AUTHOR
Hannah Ko, Mar 31 2014
EXTENSIONS
Extended by N. J. A. Sloane, Apr 01 2014
STATUS
approved