A057771
formatted as a simple table:
n
a(n)
1
1
2
1
3
1
4
2
5
6
6
109
7
23746
8
106228849
9
9365022303540
10
20890436195945769617
11
1478157455158044452849321016
[1,1,1,2,6,109,23746,106228849,9365022303540, 20890436195945769617, 1478157455158044452849321016]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 7 08:40 EST 2009. Contains 170430 sequences.
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