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A218926
as a simple table
n
a(n)
0
0
1
0
2
0
3
1
4
5
5
13
6
44
7
98
8
419
9
722
10
1592
11
3304
12
12645
13
24792
[0,0,0,1,5,13,44,98,419,722,1592,3304,12645,24792]