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A114620 as a simple table

n a(n)
0 0
1 2
2 10
3 60
4 348
5 2030
6 11830
7 68952
8 401880
9 2342330
10 13652098
11 79570260
12 463769460
13 2703046502
14 15754509550
15 91824010800
16 535189555248
17 3119313320690
18 18180690368890
19 105964828892652
20 617608282987020

[0,2,10,60,348,2030,11830,68952,401880,2342330,
 13652098,79570260,463769460,2703046502,
 15754509550,91824010800,535189555248,
 3119313320690,18180690368890,105964828892652,
 617608282987020]

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Last modified May 11 06:34 EDT 2024. Contains 372388 sequences. (Running on oeis4.)