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A126801 as a simple table

na(n)
12
23
34
43
56
65
78
83
94
103
1112
125
1314
143
154
163
1718
185
1920
203
214
223
2324
245
256
263
274
283
2930
307
3132
323
334
343
356
365
3738
383
394
403
4142
425
4344
443
454
463
4748
485
498
503
514
523
5354
545
556
563
574
583
5960
607
6162
623
634
643
656
665
6768
683
694
703
7172
725
7374
743
754
763
778
785
7980
803

[2,3,4,3,6,5,8,3,4,3,12,5,14,3,4,3,18,5,20,3,4,3,
 24,5,6,3,4,3,30,7,32,3,4,3,6,5,38,3,4,3,42,5,44,3,
 4,3,48,5,8,3,4,3,54,5,6,3,4,3,60,7,62,3,4,3,6,5,
 68,3,4,3,72,5,74,3,4,3,8,5,80,3]