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A020030 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 12
5 58
6 333
7 2233
8 17225
9 150104
10 1458150
11 15623032
12 183012659
13 2326875239
14 31911431853
15 469553925838
16 7378704548888
17 123329776031415
18 2184698889699346
19 40885079221516335
20 806020133224179176

[1,1,1,3,12,58,333,2233,17225,150104,1458150,
 15623032,183012659,2326875239,31911431853,
 469553925838,7378704548888,123329776031415,
 2184698889699346,40885079221516335,
 806020133224179176]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)