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A167284 as a simple table

na(n)
11
21
31
41
51
60
71
81
93
101
111
124
1327
141
150
161
171
183
191
205
211
221
234
2427
25256
263125
271
280
291
304
3127
321
335
3436
35343
361
371
384
3927
40256
413125
421
437
4464
450
461
474
4827
491
505
5136
52343
531
549

[1,1,1,1,1,0,1,1,3,1,1,4,27,1,0,1,1,3,1,5,1,1,4,
 27,256,3125,1,0,1,4,27,1,5,36,343,1,1,4,27,256,
 3125,1,7,64,0,1,4,27,1,5,36,343,1,9]