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A201874 as a simple table

na(n)
13
25
315
421
527
647
757
867
997
10111
11125
12165
13183
14201
15251
16273
17295
18355
19381
20407
21477
22507
23537
24617
25651
26685
27775
28813
29851
30951
31993
321035
331145
341191
351237
361357
371407
381457
391587
401641
411695
421835
431893
441951
452101
462163
472225
482385
492451
502517

[3,5,15,21,27,47,57,67,97,111,125,165,183,201,251,
 273,295,355,381,407,477,507,537,617,651,685,775,
 813,851,951,993,1035,1145,1191,1237,1357,1407,
 1457,1587,1641,1695,1835,1893,1951,2101,2163,2225,
 2385,2451,2517]