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A221687 as a simple table

n a(n)
1 3
2 35
3 396
4 4429
5 49387
6 550264
7 6129659
8 68277335
9 760519092
10 8471140593
11 94356794511
12 1051003927840
13 11706726309807
14 130396694392883
15 1452438312980628
16 16178148223958949
17 180202131485051219

[3,35,396,4429,49387,550264,6129659,68277335,
 760519092,8471140593,94356794511,1051003927840,
 11706726309807,130396694392883,1452438312980628,
 16178148223958949,180202131485051219]

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Last modified September 24 23:43 EDT 2022. Contains 356951 sequences. (Running on oeis4.)