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A066078 as a simple table

na(n)
12
23
34
44
52
66
76
84
92
102
112
128
139
144
152
162
172
189
192
202
2117
222
232
246
2517
264
272
282
299
306
312
322
332
342

[2,3,4,4,2,6,6,4,2,2,2,8,9,4,2,2,2,9,2,2,17,2,2,6,
 17,4,2,2,9,6,2,2,2,2]