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A125903 as a simple table

n a(n)
1 2
2 15
3 70
4 1155
5 6006
6 1616615
7 1385670
8 111546435
9 2156564410
10 742073813481
11 674612557710
12 2180460221945005
13 1006366256282310
14 2327797034085003195
15 128184023343614175938
16 961380175077106319535
17 6899316550553351234310 

[2,15,70,1155,6006,1616615,1385670,111546435,
 2156564410,742073813481,674612557710,
 2180460221945005,1006366256282310,
 2327797034085003195,128184023343614175938,
 961380175077106319535,6899316550553351234310]

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Last modified May 31 05:54 EDT 2024. Contains 372980 sequences. (Running on oeis4.)