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A053671 as a simple table

na(n)
15
25
37
47
511
65
75
87
97
107
115
125
1311
1411
157
165
175
187
1911
2013
215
225
237
247
257
265
275
2811
297
307
315
325
3313
3411
3511
365
375
387
397
4011
415
425
437
447
457
465
475
4811
4911
507
515
525
537
5413
5513
565
575
587
597
607
615
625
6311
647
657
665
675
6811
6911
7011
715
725
737
747
7513
765
775
787
797
807
815
825
8311
8411
857
865
875
887
8911
9011
915
925

[5,5,7,7,11,5,5,7,7,7,5,5,11,11,7,5,5,7,11,13,5,5,
 7,7,7,5,5,11,7,7,5,5,13,11,11,5,5,7,7,11,5,5,7,7,
 7,5,5,11,11,7,5,5,7,13,13,5,5,7,7,7,5,5,11,7,7,5,
 5,11,11,11,5,5,7,7,13,5,5,7,7,7,5,5,11,11,7,5,5,7,
 11,11,5,5]