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A131767 as a simple table

na(n)
01
11
21
31
43
51
61
75
84
91
101
117
129
136
141
151
169
1716
1817
197
201
211
2211
2325
2436
2524
269
271
281
2913
3036
3165
3260
3336
3410
351
361
3715
3849
39106
40125
41102
4246
4312
441
451
4617
4764
48161
49231
50237
51148
5262
5313
541

[1,1,1,1,3,1,1,5,4,1,1,7,9,6,1,1,9,16,17,7,1,1,11,
 25,36,24,9,1,1,13,36,65,60,36,10,1,1,15,49,106,
 125,102,46,12,1,1,17,64,161,231,237,148,62,13,1]