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A169707 as a simple table

na(n)
11
25
39
421
525
637
757
885
989
10101
11121
12149
13169
14213
15281
16341
17345
18357
19377
20405
21425
22469
23537
24597
25617
26661
27729
28805
29889
301045
311241
321365
331369
341381
351401
361429
371449
381493
391561
401621
411641
421685
431753
441829
451913
462069
472265
482389
492409
502453
512521

[1,5,9,21,25,37,57,85,89,101,121,149,169,213,281,
 341,345,357,377,405,425,469,537,597,617,661,729,
 805,889,1045,1241,1365,1369,1381,1401,1429,1449,
 1493,1561,1621,1641,1685,1753,1829,1913,2069,2265,
 2389,2409,2453,2521]