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A012509 formatted as a simple table:

n a(n)
0 4
1 32
2 544
3 15872
4 707584
5 44736512
6 3807514624
7 419730685952
8 58177770225664
9 9902996106248192
10 2030847773013704704
11 493842960380415967232
12 140503203207887919775744

[4,32,544,15872,707584,44736512,3807514624,
 419730685952,58177770225664,9902996106248192,
 2030847773013704704,493842960380415967232,
 140503203207887919775744]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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