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A180620 as a simple table

na(n)
13
25
315
47
521
635
79
845
911
1063
1133
1255
1377
1413
1539
1665
1799
1891
1915
20117
21105
22143
2317
2451
2585
26119
27165
2819
29153
3057
3195
32195
33187
34133
35171
3621
37221
38105
39209
40255
41247
4223
4369
44115
45231
46161
47285
48273
49207
5025
5175
52323
53253
54175
55299
56225
57357
5827
59275
60345
61135
62189
63325

[3,5,15,7,21,35,9,45,11,63,33,55,77,13,39,65,99,
 91,15,117,105,143,17,51,85,119,165,19,153,57,95,
 195,187,133,171,21,221,105,209,255,247,23,69,115,
 231,161,285,273,207,25,75,323,253,175,299,225,357,
 27,275,345,135,189,325]