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A053485 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 1
5 15
6 45
7 21
8 315
9 2835
10 4725
11 22275
12 93555
13 2027025
14 42567525
15 638512875
16 212837625
17 2170943775
18 13956067125
19 618718975875
20 9280784638125
21 14992036723125
22 7522320180375
23 49308808782358125
24 147926426347074375

[1,1,1,3,1,15,45,21,315,2835,4725,22275,93555,
 2027025,42567525,638512875,212837625,2170943775,
 13956067125,618718975875,9280784638125,
 14992036723125,7522320180375,49308808782358125,
 147926426347074375]

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Last modified March 29 03:41 EDT 2024. Contains 371264 sequences. (Running on oeis4.)