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A208480 as a simple table

n a(n)
1 1
2 3
3 10
4 55
5 196
6 2730
7 10032
8 108999
9 973258
10 20780331
11 79309308
12 2614200602
13 10073335754
14 288845706742
15 11805287917646
16 254331289285523

[1,3,10,55,196,2730,10032,108999,973258,20780331,
 79309308,2614200602,10073335754,288845706742,
 11805287917646,254331289285523]

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Last modified September 19 12:57 EDT 2019. Contains 327198 sequences. (Running on oeis4.)