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A255651 as a simple table

na(n)
01
15
29
317
421
533
641
755
859
975
1087
11111
12119
13143
14157
15187
16191
17207
18223
19255
20267
21303
22327
23371
24379
25411
26435
27483
28497
29543
30573
31633
32637
33653
34669
35701
36717
37765
38797
39853
40865
41913
42949
431021
441045
451121
461165
471257
481265
491297
501329
511393
521417
531489
541537
551625
561639
571695
581741
591833
601863
611959
622019
632137

[1,5,9,17,21,33,41,55,59,75,87,111,119,143,157,
 187,191,207,223,255,267,303,327,371,379,411,435,
 483,497,543,573,633,637,653,669,701,717,765,797,
 853,865,913,949,1021,1045,1121,1165,1257,1265,
 1297,1329,1393,1417,1489,1537,1625,1639,1695,1741,
 1833,1863,1959,2019,2137]