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A306636 as a simple table

na(n)
12
25
37
417
516
637
722
839
937
10101
1145
12145
1353
1471
1561
16257
1752
18325
1958
20241
21106
22485
23116
24289
25101
26157
27109
28785
29146
30901
31125

[2,5,7,17,16,37,22,39,37,101,45,145,53,71,61,257,
 52,325,58,241,106,485,116,289,101,157,109,785,146,
 901,125]