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A090864 as a simple table

na(n)
13
24
36
48
59
610
711
813
914
1016
1117
1218
1319
1420
1521
1623
1724
1825
1927
2028
2129
2230
2331
2432
2533
2634
2736
2837
2938
3039
3141
3242
3343
3444
3545
3646
3747
3848
3949
4050
4152
4253
4354
4455
4556
4658
4759
4860
4961
5062
5163
5264
5365
5466
5567
5668
5769
5871
5972
6073
6174
6275
6376
6478
6579
6680
6781
6882
6983
7084

[3,4,6,8,9,10,11,13,14,16,17,18,19,20,21,23,24,25,
 27,28,29,30,31,32,33,34,36,37,38,39,41,42,43,44,
 45,46,47,48,49,50,52,53,54,55,56,58,59,60,61,62,
 63,64,65,66,67,68,69,71,72,73,74,75,76,78,79,80,
 81,82,83,84]