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A133087 as a simple table

na(n)
01
12
21
31
42
51
62
75
84
91
101
114
126
134
141
152
169
1716
1814
196
201
211
226
2315
2420
2515
266
271
282
2913
3036
3155
3250
3327
348
351
361
378
3828
3956
4070
4156
4228
438
441
452
4617
4764
48140
49196
50182
51112
5244
5310
541

[1,2,1,1,2,1,2,5,4,1,1,4,6,4,1,2,9,16,14,6,1,1,6,
 15,20,15,6,1,2,13,36,55,50,27,8,1,1,8,28,56,70,56,
 28,8,1,2,17,64,140,196,182,112,44,10,1]