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A122416 as a simple table

na(n)
12
23
34
45
56
64
78
85
97
106
1112
125
1314
148
156
167
1718
187
1920
206
218
2212
2324
245
2511
2614
2710
288
2930
306
3132
329
3312
3418
358
367
3738
3820
3914
406
4142
428
4344
4412
457
4624
4748
487
4915
5011
5118
5214
5354
5410
5512
568
5720
5830
5960
606
6162
6232
638
649
6514
6612
6768
6818
6924
708
7172
727
7374
7438
7511
7620
7712
7814
7980
807
8110

[2,3,4,5,6,4,8,5,7,6,12,5,14,8,6,7,18,7,20,6,8,12,
 24,5,11,14,10,8,30,6,32,9,12,18,8,7,38,20,14,6,42,
 8,44,12,7,24,48,7,15,11,18,14,54,10,12,8,20,30,60,
 6,62,32,8,9,14,12,68,18,24,8,72,7,74,38,11,20,12,
 14,80,7,10]