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A157574 as a simple table

n a(n)
2 1
3 9
4 162
5 9030
6 900315
7 78905043
8 5045283243
9 254993728356
10 12275288985060
11 582690164112595
12 26896406705910159
13 1199420057394958074
14 51363567523493108520
15 2104956036291257002350
16 82564460378872392399390

[1,9,162,9030,900315,78905043,5045283243,
 254993728356,12275288985060,582690164112595,
 26896406705910159,1199420057394958074,
 51363567523493108520,2104956036291257002350,
 82564460378872392399390]

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)