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A300872 as a simple table

n a(n)
1 1
2 1
3 8
4 151
5 4752
6 214848
7 12915744
8 986580860
9 92994888960
10 10595684332288
11 1436363905680384
12 228679178713630208
13 42284602089642237952
14 8992606241049735405568
15 2180532527491138011131904
16 598191016068264518151780096
17 184370870332464252513762869248
18 63445183762362816656030378164224
19 24238363163428954774170892697075712

[1,1,8,151,4752,214848,12915744,986580860,
 92994888960,10595684332288,1436363905680384,
 228679178713630208,42284602089642237952,
 8992606241049735405568,2180532527491138011131904,
 598191016068264518151780096,
 184370870332464252513762869248,
 63445183762362816656030378164224,
 24238363163428954774170892697075712]

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Last modified January 24 04:35 EST 2020. Contains 331183 sequences. (Running on oeis4.)