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A128421 as a simple table

na(n)
12
23
34
45
56
68
720
856
9101
10108
11141
12202
13265
14364
15401
161035
171588
183062
194191
204579
2110373

[2,3,4,5,6,8,20,56,101,108,141,202,265,364,401,
 1035,1588,3062,4191,4579,10373]