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A161908 as a simple table

na(n)
11
22
33
42
54
65
73
86
97
104
118
123
139
145
1510
1611
174
186
1912
2013
217
2214
235
2415
254
268
2716
2817
296
309
3118
3219
335
3410
3520
367
3721
3811
3922
4023
416
428
4312
4424
455
4625
4713
4826
499
5027
517
5214
5328
5429
556
5610
5715
5830
5931
608
6116
6232
6311
6433
6517
6634
677
6835
696
709
7112
7218
7336
7437
7519
7638
7713
7839
798
8010
8120
8240
8341
847
8514
8621
8742
8843
8911
9022
9144
929
9315
9445
9523
9646
9747
988
9912
10016

[1,2,3,2,4,5,3,6,7,4,8,3,9,5,10,11,4,6,12,13,7,14,
 5,15,4,8,16,17,6,9,18,19,5,10,20,7,21,11,22,23,6,
 8,12,24,5,25,13,26,9,27,7,14,28,29,6,10,15,30,31,
 8,16,32,11,33,17,34,7,35,6,9,12,18,36,37,19,38,13,
 39,8,10,20,40,41,7,14,21,42,43,11,22,44,9,15,45,
 23,46,47,8,12,16]