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A165195 as a simple table

na(n)
11
21
32
41
52
65
72
81
92
105
1115
125
132
145
152
161
172
185
1915
205
2115
2252
2315
245
252
265
2715
285
292
305
312
321

[1,1,2,1,2,5,2,1,2,5,15,5,2,5,2,1,2,5,15,5,15,52,
 15,5,2,5,15,5,2,5,2,1]