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A065773 as a simple table

na(n)
15
27
37
45
513
67
75
817
95
1019
115
1213
135
145
157
1611
177
185
195
205
2113
225
237
2431
255
265
275
285
295
305
3113
325
335
345
355
365
377
385
395
405
415
425
437
447
455
465
475
485
495
5011
515
525
535
545
555
565
575
585
595
607
615
625
635
647
655
665
675
685
695
705
715
725
735
745
755
765
775
785
795
805
815
825
835
845
857
865
875
885
895
905
915
925
935
945
955
965
975
985
995
1005

[5,7,7,5,13,7,5,17,5,19,5,13,5,5,7,11,7,5,5,5,13,
 5,7,31,5,5,5,5,5,5,13,5,5,5,5,5,7,5,5,5,5,5,7,7,5,
 5,5,5,5,11,5,5,5,5,5,5,5,5,5,7,5,5,5,7,5,5,5,5,5,
 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,7,5,5,5,5,5,5,5,5,5,
 5,5,5,5,5,5]