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A020220 as a simple table

na(n)
121
239
365
491
593
6105
7217
8231
9273
10301
11341
12403
13451
14465
15559
16561
17651
18861
191001
201085
211105
221209
231271
241333
251365
261393
271661
281729
292465
302587
312701
322821
333171
343731
353781
363913
374033
384123
394371
404641
414681
425565
436045
446169
456191
466697
477161

[21,39,65,91,93,105,217,231,273,301,341,403,451,
 465,559,561,651,861,1001,1085,1105,1209,1271,1333,
 1365,1393,1661,1729,2465,2587,2701,2821,3171,3731,
 3781,3913,4033,4123,4371,4641,4681,5565,6045,6169,
 6191,6697,7161]