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A291138 as a simple table

n a(n)
1 3
2 14
3 42
4 210
5 3570
6 43890
7 746130
8 14804790
9 281291010
10 8720021310
11 278196808890
12 8624101075590
13 353588144099190
14 25104758231042490
15 2234323482562781610
16 129325924468711040070
17 9182140637278483844970
18 725389110345000223752630
19 51501592227099266198116170

[3,14,42,210,3570,43890,746130,14804790,281291010,
 8720021310,278196808890,8624101075590,
 353588144099190,25104758231042490,
 2234323482562781610,129325924468711040070,
 9182140637278483844970,725389110345000223752630,
 51501592227099266198116170]

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Last modified May 23 11:57 EDT 2024. Contains 372763 sequences. (Running on oeis4.)