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A155243 as a simple table

n a(n)
3 1
4 7
5 19
6 37
7 102
8 1264
9 9091
10 48176
11 418130
12 8182255
13 143523182
14 2278072430
15 53254810257
16 2027413206531
17 84728501324609
18 3776435859240528
19 226344677177142828
20 18987749209358606115
21 1902812184280545994272

[1,7,19,37,102,1264,9091,48176,418130,8182255,
 143523182,2278072430,53254810257,2027413206531,
 84728501324609,3776435859240528,
 226344677177142828,18987749209358606115,
 1902812184280545994272]

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Last modified December 1 07:34 EST 2022. Contains 358454 sequences. (Running on oeis4.)