A109677
formatted as a simple table:
n
a(n)
1
1
2
9
3
156
4
1696
5
3974
6
21558
7
82512
8
631294
9
5619414
10
93118405
11
739310894
[1,9,156,1696,3974,21558,82512,631294,5619414, 93118405,739310894]
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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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