A060748
formatted as a simple table:
n
a(n)
0
1
1
6
2
19
3
657
4
21691
5
489489
6
9902523
7
1144421889
8
1683200989470
9
349043376293530
[1,6,19,657,21691,489489,9902523,1144421889, 1683200989470,349043376293530]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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