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A218535 as a simple table

na(n)
11
22
33
43
54
64
75
85
915
109
113
125
135
1425
1535
1614
177
187
198
204
217
227
237
2414
2542
2642
2730
2818
298
3016
3120
3210
3325
3445
3527
3627
3733
3811
3911
4011
4133
4233
4333
4424
456
469
479
4812
4915
5015
5121
5221
5342
5466
5536
56108
57117
5813
5965
6091
6191
6291
6313
6413
6539
6633
6722
6822
6911
7013

[1,2,3,3,4,4,5,5,15,9,3,5,5,25,35,14,7,7,8,4,7,7,
 7,14,42,42,30,18,8,16,20,10,25,45,27,27,33,11,11,
 11,33,33,33,24,6,9,9,12,15,15,21,21,42,66,36,108,
 117,13,65,91,91,91,13,13,39,33,22,22,11,13]