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A122400 as a simple table

n a(n)
0 1
1 1
2 4
3 31
4 338
5 4769
6 82467
7 1687989
8 39905269
9 1069863695
10 32071995198
11 1062991989013
12 38596477083550
13 1523554760656205
14 64961391010251904
15 2975343608212835855
16 145687881987604377815
17 7594435556630244257213

[1,1,4,31,338,4769,82467,1687989,39905269,
 1069863695,32071995198,1062991989013,
 38596477083550,1523554760656205,64961391010251904,
 2975343608212835855,145687881987604377815,
 7594435556630244257213]

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Last modified March 6 20:37 EST 2021. Contains 341850 sequences. (Running on oeis4.)