A053913
formatted as a simple table:
n
a(n)
1
1
2
81
3
11881
4
78881777881
5
11187111187877881
6
77878887787187881
[1,81,11881,78881777881,11187111187877881, 77878887787187881]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
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