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A001623 formatted as a simple table:

n a(n)
3 1
4 4
5 46
6 1064
7 35792
8 1673792
9 103443808
10 8154999232
11 798030483328

[1,4,46,1064,35792,1673792,103443808,8154999232,
 798030483328]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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