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A215801 as a simple table

na(n)
13
27
313
419
531
637
743
861
967
1073
1179
12109
13127
14139
15151
16199
17277
18313
19433
20457
21547
22613
23619
24643
25739
26967

[3,7,13,19,31,37,43,61,67,73,79,109,127,139,151,
 199,277,313,433,457,547,613,619,643,739,967]