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A223868 as a simple table

n a(n)
1 56
2 3136
3 93731
4 1771012
5 23738426
6 243933798
7 2030417942
8 14256118510
9 87061570336
10 473468963674
11 2335341201122
12 10598137054237
13 44753111308505
14 177414858857953
15 664941648534183
16 2369386354876666
17 8063121237072325

[56,3136,93731,1771012,23738426,243933798,
 2030417942,14256118510,87061570336,473468963674,
 2335341201122,10598137054237,44753111308505,
 177414858857953,664941648534183,2369386354876666,
 8063121237072325]

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Last modified December 2 08:31 EST 2021. Contains 349437 sequences. (Running on oeis4.)