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A217491 as a simple table

na(n)
12
23
34
45
56
67
78
89
920
1023
1125
1227
1329
1433
1534
1635
1737
1838
1943
2046
2147
2250
2352
2453
2556
2657
2758
2859
2962
3063
3164
3265
3367
3468
3569
3670
3772
3873
3974
4075
4176
4279
4380
4482
4583
4685
4786
4887
4989
5092
5193
5294
5395
5496
5597
56200
57203
58205
59207
60209
61223
62227
63229
64233
65235
66239
67245
68247
69249

[2,3,4,5,6,7,8,9,20,23,25,27,29,33,34,35,37,38,43,
 46,47,50,52,53,56,57,58,59,62,63,64,65,67,68,69,
 70,72,73,74,75,76,79,80,82,83,85,86,87,89,92,93,
 94,95,96,97,200,203,205,207,209,223,227,229,233,
 235,239,245,247,249]