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A157570 as a simple table

n a(n)
2 1
3 9
4 114
5 11430
6 928665
7 57312801
8 2929653363
9 133959064275
10 6012597282660
11 258520740868390
12 10793900036914731
13 439085564014381089
14 17106142080255638592
15 634240156516816014270
16 22487281301691416873070

[1,9,114,11430,928665,57312801,2929653363,
 133959064275,6012597282660,258520740868390,
 10793900036914731,439085564014381089,
 17106142080255638592,634240156516816014270,
 22487281301691416873070]

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Last modified October 31 08:46 EDT 2020. Contains 338101 sequences. (Running on oeis4.)