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A361224
as a simple table
n
a(n)
1
1
2
1
3
5
4
12
5
31
6
86
7
242
8
854
9
2888
10
10478
11
34264
12
120347
[1,1,5,12,31,86,242,854,2888,10478,34264,120347]
