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A006541 formatted as a simple table:

n a(n)
1 1
2 1
3 13
4 4683
5 102247563
6 230283190977853
7 81124824998504073881821
8 6297562064950066033518373935334635
9 144199280951655469628360978109406917583513090155

[1,1,13,4683,102247563,230283190977853,
 81124824998504073881821,
 6297562064950066033518373935334635,
 144199280951655469628360978109406917583513090155]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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