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A325791 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 4
5 20
6 82
7 252
8 1074
9 7912
10 39552
11 152680
12 776094
13 5550310
14 30026848
15 108376910 

[1,1,1,2,4,20,82,252,1074,7912,39552,152680,
 776094,5550310,30026848,108376910]

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Last modified April 27 11:10 EDT 2024. Contains 372019 sequences. (Running on oeis4.)