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A197989 as a simple table

n a(n)
1 1
2 4
3 45
4 886
5 24395
6 860336
7 36914493
8 1863645610
9 108131503623
10 7085585223652
11 517329551346608
12 41634263983867842
13 3661077644199252550
14 349191617521920855488
15 35902782820742394839453
16 3958207187579046500083794
17 465777357329812920074875295

[1,4,45,886,24395,860336,36914493,1863645610,
 108131503623,7085585223652,517329551346608,
 41634263983867842,3661077644199252550,
 349191617521920855488,35902782820742394839453,
 3958207187579046500083794,
 465777357329812920074875295]

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Last modified May 18 23:31 EDT 2022. Contains 353826 sequences. (Running on oeis4.)