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A003905
as a simple table
n
a(n)
1
1
2
14
3
14
4
21
5
21
6
36
7
63
8
70
9
70
10
90
11
126
12
160
13
175
14
189
15
189
16
224
17
224
18
225
19
288
20
300
21
336
[1,14,14,21,21,36,63,70,70,90,126,160,175,189,189, 224,224,225,288,300,336]