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A032106 as a simple table

n a(n)
1 1
2 1
3 4
4 16
5 60
6 226
7 848
8 3200
9 12120
10 46126
11 176232
12 675808
13 2599688
14 10028292
15 38777664
16 150266880
17 583395120
18 2268771670
19 8836291640
20 34461586016
21 134564376232
22 526024564572
23 2058357329184

[1,1,4,16,60,226,848,3200,12120,46126,176232,
 675808,2599688,10028292,38777664,150266880,
 583395120,2268771670,8836291640,34461586016,
 134564376232,526024564572,2058357329184]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)