A137321
formatted as a simple table:
n
a(n)
1
2
2
3
3
2405
4
460663
5
198133379411
6
281952316704253
[2,3,2405,460663,198133379411,281952316704253]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 19 12:50 EST 2009. Contains 171053 sequences.
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