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A115260 as a simple table

na(n)
12
23
35
47
52
67
72
83
93
102
115
122
135
142
152
163
175
187
193
203
212
222
233
243
257
265
272
283
297
302
312
325
332
345
353
363
375
387
397
405
412
425
4313
443
452
463
475
483
492
507
512
525
535
547
5513
563
575
582
592
607
6113
623
632
643
655
6617
677
6813
695
703
717
7217
7313
747
753
767
777
782
793
805
815
822
832
847
853
863
877
882
893
907
912
923
937
942
955
965
973
982
997
1003
1015
1027

[2,3,5,7,2,7,2,3,3,2,5,2,5,2,2,3,5,7,3,3,2,2,3,3,
 7,5,2,3,7,2,2,5,2,5,3,3,5,7,7,5,2,5,13,3,2,3,5,3,
 2,7,2,5,5,7,13,3,5,2,2,7,13,3,2,3,5,17,7,13,5,3,7,
 17,13,7,3,7,7,2,3,5,5,2,2,7,3,3,7,2,3,7,2,3,7,2,5,
 5,3,2,7,3,5,7]