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A037980 formatted as a simple table:

n a(n)
0 0
1 1
2 4
3 109
4 800
5 19501
6 168952
7 3979830
8 37566720
9 862687045
10 8615396504
11 193710517650
12 2015475061184
13 44516469004294
14 478043160040240
15 10399216983867484
16 114539008771344384
17 2459029841101222485

[0,1,4,109,800,19501,168952,3979830,37566720,
 862687045,8615396504,193710517650,2015475061184,
 44516469004294,478043160040240,10399216983867484,
 114539008771344384,2459029841101222485]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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