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A161984 as a simple table

na(n)
00
11
21
32
43
55
63
77
89
911
104
1113
1215
1317
1419
155
1621
1723
1825
1927
2029
216
2231
2333
2435
2537
2639
2741
287
2943
3045
3147
3249
3351
3453
3555
368
3757
3859
3961
4063
4165
4267
4369
4471
459
4673
4775
4877
4979
5081
5183
5285
5387
5489
5510
5691
5793
5895
5997
6099
61101
62103
63105
64107
65109
6611
67111
68113
69115
70117

[0,1,1,2,3,5,3,7,9,11,4,13,15,17,19,5,21,23,25,27,
 29,6,31,33,35,37,39,41,7,43,45,47,49,51,53,55,8,
 57,59,61,63,65,67,69,71,9,73,75,77,79,81,83,85,87,
 89,10,91,93,95,97,99,101,103,105,107,109,11,111,
 113,115,117]