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A087632 as a simple table

n a(n)
1 1
2 5
3 40
4 262
5 2103
6 17210
7 146590
8 1274284
9 11271819
10 101051725
11 915754298
12 8372478663
13 77114370790 

[1,5,40,262,2103,17210,146590,1274284,11271819,
 101051725,915754298,8372478663,77114370790]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)