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A121617 as a simple table

na(n)
12
23
36
411
517
620
725
828
931
1032
1135
1236
1342
1445
1547
1655
1758
1865
1967
2076
2179
2286
2388
2489
25100
26102
27105
28110
29111
30113
31121
32122
33145
34149
35166
36175
37179
38193
39198
40211
41218
42223
43226
44230
45240
46244
47245
48256
49262
50287
51292
52295
53297
54298
55300

[2,3,6,11,17,20,25,28,31,32,35,36,42,45,47,55,58,
 65,67,76,79,86,88,89,100,102,105,110,111,113,121,
 122,145,149,166,175,179,193,198,211,218,223,226,
 230,240,244,245,256,262,287,292,295,297,298,300]