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A111312 as a simple table

na(n)
10
21
37
49
515
619
721
825
937
1039
1149
1251
1355
1461
1567
1669
1775
1885
1997
2099
21109
22111
23117
24127
25135
26139
27141
28145
29147
30151
31169
32177
33181
34189
35201
36217
37219
38225
39229
40231
41237
42247
43249
44259
45265
46267
47277
48285
49289
50291
51301
52315
53319
54321
55331
56337
57345

[0,1,7,9,15,19,21,25,37,39,49,51,55,61,67,69,75,
 85,97,99,109,111,117,127,135,139,141,145,147,151,
 169,177,181,189,201,217,219,225,229,231,237,247,
 249,259,265,267,277,285,289,291,301,315,319,321,
 331,337,345]