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A172235 as a simple table

na(n)
11
23
35
47
515
623
725
839
953
1067
1175
1289
13103
14111
15131
16157
17177
18197
19211
20225
21245
22265
23285
24311
25313
26321
27353
28379
29405
30449
31493
32543
33587
34625
35675
36701
37727
38765
39791
40823
41855
42875
43901
44921
45959

[1,3,5,7,15,23,25,39,53,67,75,89,103,111,131,157,
 177,197,211,225,245,265,285,311,313,321,353,379,
 405,449,493,543,587,625,675,701,727,765,791,823,
 855,875,901,921,959]