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A080554
as a simple table
n
a(n)
0
1
1
3
2
6
3
13
4
19
5
34
6
44
7
70
8
85
9
125
10
146
11
203
12
231
13
260
14
251
15
245
16
208
17
183
18
121
19
78
20
38
21
21
22
10
23
4
24
1
[1,3,6,13,19,34,44,70,85,125,146,203,231,260,251, 245,208,183,121,78,38,21,10,4,1]