A101931
formatted as a simple table:
n
a(n)
1
1
2
16
3
158
4
1593
5
15919
6
159139
7
1591579
8
15915492
9
159154994
[1,16,158,1593,15919,159139,1591579,15915492, 159154994]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
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