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A193176 as a simple table

na(n)
12
23
34
45
56
67
78
89
910
1011
1112
1213
1314
1415
1516
1617
1718
1819
1920
2021
2122
2224
2325
2427
2530
2633
2735
2842
2945

[2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,
 21,22,24,25,27,30,33,35,42,45]