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A001652 as a simple table

n a(n)
0 0
1 3
2 20
3 119
4 696
5 4059
6 23660
7 137903
8 803760
9 4684659
10 27304196
11 159140519
12 927538920
13 5406093003
14 31509019100
15 183648021599
16 1070379110496
17 6238626641379
18 36361380737780
19 211929657785303
20 1235216565974040

[0,3,20,119,696,4059,23660,137903,803760,4684659,
 27304196,159140519,927538920,5406093003,
 31509019100,183648021599,1070379110496,
 6238626641379,36361380737780,211929657785303,
 1235216565974040]

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)