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A317469 as a simple table

na(n)
12
23
34
45
56
67
78
89
910
1011
1112
1214
1315
1416
1518
1619
1720
1822
1923
2024
2126
2227
2328
2429
2530
2631
2732
2833
2934
3035
3136
3237
3338
3439
3540
3641
3742
3843
3944
4045
4146
4247
4348
4449
4550
4651
4752
4854
4955
5056
5158
5259
5360
5462
5563
5664
5766
5867
5968
6070
6171
6272
6374
6475
6576
6678
6779
6880
6982
7083
7184

[2,3,4,5,6,7,8,9,10,11,12,14,15,16,18,19,20,22,23,
 24,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,
 41,42,43,44,45,46,47,48,49,50,51,52,54,55,56,58,
 59,60,62,63,64,66,67,68,70,71,72,74,75,76,78,79,
 80,82,83,84]