A069420
formatted as a simple table:
n
a(n)
1
1
2
237
3
28159
4
2575297
5
206458895
[1,237,28159,2575297,206458895]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
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