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A347299 as a simple table

na(n)
11
23
34
46
56
68
79
89
911
1012
1113
1213
1315
1415
1517
1617
1718
1819
1920
2022
2122
2225
2325
2425
2527
2628
2728
2830
2930
3033
3133
3234
3335
3435
3537
3637
3739
3839
3942
4042
4143
4244
4347
4447
4547
4649
4749
4849
4950
5052
5152
5254
5354

[1,3,4,6,6,8,9,9,11,12,13,13,15,15,17,17,18,19,20,
 22,22,25,25,25,27,28,28,30,30,33,33,34,35,35,37,
 37,39,39,42,42,43,44,47,47,47,49,49,49,50,52,52,
 54,54]