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A117900 as a simple table

na(n)
01
11
23
33
43
55
66
74
88
98
106
1110
1211
137
1413
1513
169
1715
1816
1910
2018
2118
2212
2320
2421
2513
2623
2723
2815
2925
3026
3116
3228
3328
3418
3530
3631
3719
3833
3933
4021
4135
4236
4322
4438
4538
4624
4740
4841
4925
5043
5143
5227
5345
5446
5528
5648
5748
5830
5950
6051
6131
6253
6353
6433
6555
6656
6734
6858
6958
7036

[1,1,3,3,3,5,6,4,8,8,6,10,11,7,13,13,9,15,16,10,
 18,18,12,20,21,13,23,23,15,25,26,16,28,28,18,30,
 31,19,33,33,21,35,36,22,38,38,24,40,41,25,43,43,
 27,45,46,28,48,48,30,50,51,31,53,53,33,55,56,34,
 58,58,36]