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A201870 as a simple table

n a(n)
1 1
2 5
3 27
4 173
5 977
6 5963
7 36569
8 229949
9 1451137
10 9210249
11 58617915
12 374278491
13 2396497371
14 15387074629
15 99039136267
16 638882616201
17 4129364962373
18 26735915952717
19 173368759816541
20 1125743820087835
21 7318831174181965

[1,5,27,173,977,5963,36569,229949,1451137,9210249,
 58617915,374278491,2396497371,15387074629,
 99039136267,638882616201,4129364962373,
 26735915952717,173368759816541,1125743820087835,
 7318831174181965]

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Last modified September 29 14:55 EDT 2023. Contains 365772 sequences. (Running on oeis4.)