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A057424
as a simple table
n
a(n)
6
1
7
1
8
5
9
7
10
21
11
30
12
88
13
116
14
336
15
439
16
1271
17
1639
18
4713
19
6088
20
17452
[1,1,5,7,21,30,88,116,336,439,1271,1639,4713,6088, 17452]