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A221767 as a simple table

n a(n)
1 0
2 55
3 3125
4 141177
5 7115200
6 347487163
7 16949434757
8 827634377153
9 40390407683703
10 1971106075073481
11 96192307643812016
12 4694244462294115117
13 229081654358812855517
14 11179298440465068878911 

[0,55,3125,141177,7115200,347487163,16949434757,
 827634377153,40390407683703,1971106075073481,
 96192307643812016,4694244462294115117,
 229081654358812855517,11179298440465068878911]

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Last modified June 6 22:00 EDT 2024. Contains 373134 sequences. (Running on oeis4.)