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A002786
as a simple table
n
a(n)
1
1
2
2
3
5
4
19
5
132
6
3107
7
623615
8
1834861133
9
52976551026562
10
12417619575092896741
[1,2,5,19,132,3107,623615,1834861133, 52976551026562,12417619575092896741]
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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)
