A073545
formatted as a simple table:
n
a(n)
0
1
1
2
2
6
3
25
4
54
5
243
6
1204
7
3549
8
19544
9
81829
10
104663
11
663490
12
743764
13
7925355
[1,2,6,25,54,243,1204,3549,19544,81829,104663, 663490,743764,7925355]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
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