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A070920 as a simple table

na(n)
11
215
315
465
515
6225
715
8175
965
10225
1115
12975
1315
14225
15225
16369
1715
18975
1915
20975
21225
22225
2315
242625
2565
26225
27175
28975
2915
303375
3115
32671
33225
34225
35225
364225
3715
38225
39225
402625
4115
423375
4315
44975
45975
46225
4715
485535
4965
50975
51225
52975
5315
542625
55225

[1,15,15,65,15,225,15,175,65,225,15,975,15,225,
 225,369,15,975,15,975,225,225,15,2625,65,225,175,
 975,15,3375,15,671,225,225,225,4225,15,225,225,
 2625,15,3375,15,975,975,225,15,5535,65,975,225,
 975,15,2625,225]