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A247913 as a simple table

na(n)
11
23
35
46
58
610
711
813
914
1016
1118
1219
1321
1423
1524
1626
1728
1829
1931
2033
2134
2236
2338
2439
2541
2643
2744
2846
2948
3049
3151
3253
3354
3456
3558
3659
3761
3863
3965
4066
4168
4270
4371
4473
4575
4676
4778
4880
4982
5083
5185
5287
5388
5490
5592
5694
5795
5897
5999
60100
61102
62104
63106
64107

[1,3,5,6,8,10,11,13,14,16,18,19,21,23,24,26,28,29,
 31,33,34,36,38,39,41,43,44,46,48,49,51,53,54,56,
 58,59,61,63,65,66,68,70,71,73,75,76,78,80,82,83,
 85,87,88,90,92,94,95,97,99,100,102,104,106,107]