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A118491 as a simple table

n a(n)
0 1
1 2
2 6
3 30
4 210
5 2310
6 30030
7 510510
8 9699690
9 223092870
10 6469693230
11 200560490130
12 7420738134810
13 304250263527210
14 14299762385778870
15 757887406446280110
16 44715356980330526490
17 2995928917682145274830

[1,2,6,30,210,2310,30030,510510,9699690,223092870,
 6469693230,200560490130,7420738134810,
 304250263527210,14299762385778870,
 757887406446280110,44715356980330526490,
 2995928917682145274830]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)