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A164947
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
10
9
12
10
16
11
20
12
21
13
35
14
56
15
78
16
84
17
97
18
125
19
138
20
184
21
189
22
300
23
418
24
437
25
550
[1,2,3,4,5,6,7,10,12,16,20,21,35,56,78,84,97,125, 138,184,189,300,418,437,550]