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A079174
as a simple table
n
a(n)
1
0
2
2
3
3
4
1
5
12
6
71
7
3222
8
0
9
1
10
14
11
23
12
270
13
495
14
48748
15
178932213
[0,2,3,1,12,71,3222,0,1,14,23,270,495,48748, 178932213]