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A139541 formatted as a simple table:

n a(n)
0 1
1 3
2 315
3 155925
4 212837625
5 618718975875
6 3287253918823875
7 28845653137679503125
8 388983632561608099640625
9 7637693625347175036443671875
10 209402646126143497974176151796875

[1,3,315,155925,212837625,618718975875,
 3287253918823875,28845653137679503125,
 388983632561608099640625,
 7637693625347175036443671875,
 209402646126143497974176151796875]

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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