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A243516 as a simple table

n a(n)
1 3
2 5
3 10
4 25
5 77
6 280
7 1156
8 5267
9 25915
10 135214
11 736706
12 4139833
13 23767897
14 138468212
15 814675840
16 4824766303
17 28699128503
18 171207852154
19 1023332115838
20 6124430348357
21 36684624841813
22 219860794899520
23 1318179574171580

[3,5,10,25,77,280,1156,5267,25915,135214,736706,
 4139833,23767897,138468212,814675840,4824766303,
 28699128503,171207852154,1023332115838,
 6124430348357,36684624841813,219860794899520,
 1318179574171580]

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Last modified September 26 09:15 EDT 2021. Contains 347664 sequences. (Running on oeis4.)