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A258115 as a simple table

na(n)
12
23
32
43
52
62
72
83
92
103
112
125
132
143
152
163
172
182
192
203
212
223
232
245
252
263
272
283
292
302
312
323
332
343
352
365
372
383
392
403
412
422
432
443
452
463
472
485
492
503
512
523
532
542
552
563
572
583
592
607
612
623
632
643
652
662
672
683
692
703
712
725
732
743
752
763
772
782
792
803
812
823
832
845

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