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A123687 as a simple table

n a(n)
0 1
1 3
2 63
3 3225
4 297675
5 42805665
6 8790957945
7 2433297161295
8 870928551367875
9 390718610250593625
10 214426984078881899325
11 141173178618822867992475
12 109729771971447612972712725
13 99352716603692210781106359375

[1,3,63,3225,297675,42805665,8790957945,
 2433297161295,870928551367875,390718610250593625,
 214426984078881899325,141173178618822867992475,
 109729771971447612972712725,
 99352716603692210781106359375]

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Last modified June 16 12:38 EDT 2019. Contains 324152 sequences. (Running on oeis4.)