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A335456
as a simple table
n
a(n)
0
1
1
2
2
5
3
12
4
32
5
84
6
211
7
556
8
1446
9
3750
10
9824
11
25837
12
67681
13
178160
14
468941
15
1233837
16
3248788
[1,2,5,12,32,84,211,556,1446,3750,9824,25837, 67681,178160,468941,1233837,3248788]