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A368783 as a simple table

n a(n)
0 0
1 0
2 1
3 2
4 15
5 82
6 402
7 2352
8 22113
9 220504
10 2329650
11 26780256
12 293266680
13 3505934160
14 45390355920
15 633293015040
16 10873520709273
17 195823830637744
18 3698406245739330
19 73192513664010816
20 1509611621730135000
21 32576548307761013760
22 734272503865161846480

[0,0,1,2,15,82,402,2352,22113,220504,2329650,
 26780256,293266680,3505934160,45390355920,
 633293015040,10873520709273,195823830637744,
 3698406245739330,73192513664010816,
 1509611621730135000,32576548307761013760,
 734272503865161846480]

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Last modified May 29 00:29 EDT 2024. Contains 372921 sequences. (Running on oeis4.)