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A147687 formatted as a simple table:

n a(n)
1 1
2 42
3 126126
4 783353872
5 44776592395920
6 3611684199828856072
7 1267664556730792079292048
8 551951935901513814954541886968 

[1,42,126126,783353872,44776592395920,
 3611684199828856072,1267664556730792079292048,
 551951935901513814954541886968]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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