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A055996
a(n)=81*10^(n-2), a(0)=1, a(1)=8.
+0
2
1, 8, 81, 810, 8100, 81000, 810000, 8100000, 81000000, 810000000, 8100000000, 81000000000, 810000000000, 8100000000000, 81000000000000, 810000000000000, 8100000000000000, 81000000000000000, 810000000000000000
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Maintained by
N. J. A. Sloane
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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