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A046105 as a simple table

n a(n)
0 1
1 2
2 16
3 120
4 882
5 6468
6 47680
7 354224
8 2652688
9 20008864
10 151853312
11 1158365824
12 8873772392
13 68219456080
14 526025997824
15 4066475337152
16 31505967787522
17 244574907064964
18 1901855959279776
19 14811829930479600
20 115514550050260068
21 901993060739459720

[1,2,16,120,882,6468,47680,354224,2652688,
 20008864,151853312,1158365824,8873772392,
 68219456080,526025997824,4066475337152,
 31505967787522,244574907064964,1901855959279776,
 14811829930479600,115514550050260068,
 901993060739459720]

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Last modified June 6 04:28 EDT 2024. Contains 373115 sequences. (Running on oeis4.)