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A257321 as a simple table

na(n)
12
25
37
45
53
611
75
82
97
102
113
122
135
142
155
167
173
185
197
202
215
227
2311
243
257
263
275
283
295
303
315
323
337
343
352
365
372
387
392
403
415
427
432
447
452
467
472
487
492
505
5111
522
535
542
553
562
575
582
595
607
613
627
633
647
653
665
673
685
693
705
717
722
735
747
753
767
773
787
793
802
815
822
837
842
853
865

[2,5,7,5,3,11,5,2,7,2,3,2,5,2,5,7,3,5,7,2,5,7,11,
 3,7,3,5,3,5,3,5,3,7,3,2,5,2,7,2,3,5,7,2,7,2,7,2,7,
 2,5,11,2,5,2,3,2,5,2,5,7,3,7,3,7,3,5,3,5,3,5,7,2,
 5,7,3,7,3,7,3,2,5,2,7,2,3,5]