A007190
formatted as a simple table:
n
a(n)
1
2
2
6
3
270
4
478406250
5
26574922713477178215980529785156250
[2,6,270,478406250, 26574922713477178215980529785156250]
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(
njas@research.att.com
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Last modified December 4 12:44 EST 2009. Contains 170310 sequences.
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