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A349999 as a simple table

na(n)
12
23
34
45
56
67
78
89
910
1011
1112
1213
1316
1418
1519
1622
1724
1826
1927
2028
2129
2230
2332
2433
2535
2636
2738
2839
2940
3041
3144
3245
3347
3451
3554
3656
3763
3865
3968
4070
4171
4278
4380
4485
4594
4699
47106
48107
49114
50115
51120
52121
53127
54133
55138
56146
57154
58155
59164
60168
61169
62175
63176
64177

[2,3,4,5,6,7,8,9,10,11,12,13,16,18,19,22,24,26,27,
 28,29,30,32,33,35,36,38,39,40,41,44,45,47,51,54,
 56,63,65,68,70,71,78,80,85,94,99,106,107,114,115,
 120,121,127,133,138,146,154,155,164,168,169,175,
 176,177]