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A069481 as a simple table

na(n)
11
22
31
43
52
66
72
89
92
108
112
1219
134
1412
156
1631
173
1817
192
2031
218
2212
234
2465
255
2616
275
2837
292
3033
314

[1,2,1,3,2,6,2,9,2,8,2,19,4,12,6,31,3,17,2,31,8,
 12,4,65,5,16,5,37,2,33,4]