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A109572 as a simple table

n a(n)
0 0
1 1
2 2
3 6
4 32
5 200
6 1536
7 13664
8 139264
9 1595520
10 20316160
11 284534272
12 4347396096
13 71958415360
14 1282685272064
15 24497477345280
16 499058556796928
17 10802158189445120
18 247567232110952448
19 5989035387568652288

[0,1,2,6,32,200,1536,13664,139264,1595520,
 20316160,284534272,4347396096,71958415360,
 1282685272064,24497477345280,499058556796928,
 10802158189445120,247567232110952448,
 5989035387568652288]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)