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A136654 as a simple table

n a(n)
0 1
1 1
2 3
3 15
4 117
5 1565
6 41663
7 2378147
8 286991465
9 71261033273
10 35889915535835
11 36421251158141399
12 74222529448186797341
13 303194457634544530959125
14 2480120130065258782050157847
15 40601998283406419045206334661611

[1,1,3,15,117,1565,41663,2378147,286991465,
 71261033273,35889915535835,36421251158141399,
 74222529448186797341,303194457634544530959125,
 2480120130065258782050157847,
 40601998283406419045206334661611]

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Last modified March 1 13:16 EST 2024. Contains 370433 sequences. (Running on oeis4.)