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A093989
as a simple table
n
a(n)
1
1
2
1
3
6
4
35
5
290
6
2714
7
27524
8
291073
9
3166124
10
35169275
11
397047529
12
4541672859
13
52510998347
[1,1,6,35,290,2714,27524,291073,3166124,35169275, 397047529,4541672859,52510998347]
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Last modified June 10 13:58 EDT 2023. Contains 363205 sequences. (Running on oeis4.)