A122903
formatted as a simple table:
n
a(n)
1
1
2
3
3
4
4
12
5
70
6
90
7
210
[1,3,4,12,70,90,210]
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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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