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A083692 as a simple table

n a(n)
0 1
1 3
2 10
3 38
4 148
5 620
6 2600
7 11480
8 50256
9 229296
10 1032352
11 4816736
12 22118720
13 104890048
14 488768128
15 2346515840
16 11058545920
17 53605825280
18 254908828160
19 1245304583680
20 5965139153920
21 29328419056640
22 141339991746560

[1,3,10,38,148,620,2600,11480,50256,229296,
 1032352,4816736,22118720,104890048,488768128,
 2346515840,11058545920,53605825280,254908828160,
 1245304583680,5965139153920,29328419056640,
 141339991746560]

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Last modified April 14 10:04 EDT 2024. Contains 371657 sequences. (Running on oeis4.)