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A374059
as a simple table
n
a(n)
0
1
1
11
2
13
3
25
4
7
5
9
6
22
7
48
8
5
9
21
10
14
11
8
12
280
13
10
14
1020
15
4
16
70
17
3
18
6
19
240
20
2
21
42
22
12
23
660
24
30
[1,11,13,25,7,9,22,48,5,21,14,8,280,10,1020,4,70, 3,6,240,2,42,12,660,30]