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A129118 as a simple table

n a(n)
1 0
2 1
3 2
4 10
5 48
6 295
7 2068
8 16654
9 150382
10 1508500
11 16631696
12 199966907
13 2603709640
14 36501212971
15 548150650582
16 8779185528284
17 149376644391508
18 2690852138104504
19 51161190374132154
20 1023850096381041159
21 21512688329462044264

[0,1,2,10,48,295,2068,16654,150382,1508500,
 16631696,199966907,2603709640,36501212971,
 548150650582,8779185528284,149376644391508,
 2690852138104504,51161190374132154,
 1023850096381041159,21512688329462044264]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)