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A068460 as a simple table

na(n)
11
21
32
42
53
63
70
83
90
108
118
122
1311
141
155
1611
171
187
191
2011
2116
2212
2312
2413
255
264
2726
2819
2912
3020
310
3218
3314
3422
356
3629
370
3827
3916
4023
4123
4223
4334
4427
454
4627
4718
480
4910
5027
5142
5224
539
5416
556
5652
572
5838
5944
6030
6151
6261
637
6419
650
6645
6718
6851
6943
7054
717
7215
7369
7444
7551
769
7774
785
7969

[1,1,2,2,3,3,0,3,0,8,8,2,11,1,5,11,1,7,1,11,16,12,
 12,13,5,4,26,19,12,20,0,18,14,22,6,29,0,27,16,23,
 23,23,34,27,4,27,18,0,10,27,42,24,9,16,6,52,2,38,
 44,30,51,61,7,19,0,45,18,51,43,54,7,15,69,44,51,9,
 74,5,69]