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A252721 as a simple table

na(n)
145
246
350
463
569
691
7107
8131
9163
10207
11243
12319
13395
14479
15619
16783
17939
181231
191547
201871
212443
223087
233723
244879
256155
267439
279739
2812303
2914859
3019471
3124587
3229711
3338923
3449167
3559403
3677839
3798315
38118799
39155659
40196623
41237579
42311311
43393227

[45,46,50,63,69,91,107,131,163,207,243,319,395,
 479,619,783,939,1231,1547,1871,2443,3087,3723,
 4879,6155,7439,9739,12303,14859,19471,24587,29711,
 38923,49167,59403,77839,98315,118799,155659,
 196623,237579,311311,393227]