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A215872 as a simple table

n a(n)
1 1
2 1
3 1
4 4
5 10
6 78
7 262
8 3001
9 11694
10 170594
11 727846
12 12517074
13 56797272
14 1100044792
15 5219906670
16 110598847073
17 542976951374
18 12341741030502 

[1,1,1,4,10,78,262,3001,11694,170594,727846,
 12517074,56797272,1100044792,5219906670,
 110598847073,542976951374,12341741030502]

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Last modified May 8 14:51 EDT 2024. Contains 372334 sequences. (Running on oeis4.)