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A007874
as a simple table
n
a(n)
1
1
2
1
3
1
4
2
5
4
6
10
7
24
8
63
9
177
10
428
11
1230
12
2556
13
8202
14
18506
15
18162
16
119069
[1,1,1,2,4,10,24,63,177,428,1230,2556,8202,18506, 18162,119069]
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Last modified September 24 03:45 EDT 2024. Contains 376185 sequences. (Running on oeis4.)