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A104766 as a simple table

na(n)
11
22
31
45
52
61
710
85
92
101
1120
1210
135
142
151
1638
1720
1810
195
202
211
2271
2338
2420
2510
265
272
281
29130
3071
3138
3220
3310
345
352
361

[1,2,1,5,2,1,10,5,2,1,20,10,5,2,1,38,20,10,5,2,1,
 71,38,20,10,5,2,1,130,71,38,20,10,5,2,1]