A105668
formatted as a simple table:
n
a(n)
6
1
7
3
8
12
9
59
10
325
11
1875
12
11029
13
65607
14
393750
15
2382084
16
14517939
17
89091558
18
550217901
19
3418171915
20
21351207168
[1,3,12,59,325,1875,11029,65607,393750,2382084, 14517939,89091558,550217901,3418171915, 21351207168]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
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