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A172361 as a simple table

n a(n)
0 1
1 0
2 3
3 6
4 38
5 160
6 905
7 4830
8 28308
9 166992
10 1024758
11 6389460
12 40724244
13 263385408
14 1728855843
15 11484066594
16 77130790880
17 523010474272
18 3577392455780
19 24659960867256
20 171191809159176
21 1196062991373120
22 8405598880928158
23 59390108287965884
24 421702103951853232

[1,0,3,6,38,160,905,4830,28308,166992,1024758,
 6389460,40724244,263385408,1728855843,11484066594,
 77130790880,523010474272,3577392455780,
 24659960867256,171191809159176,1196062991373120,
 8405598880928158,59390108287965884,
 421702103951853232]

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Last modified May 9 12:21 EDT 2024. Contains 372350 sequences. (Running on oeis4.)