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A286924 as a simple table

na(n)
11
22
34
45
56
68
79
810
911
1013
1114
1215
1317
1418
1519
1620
1722
1823
1924
2026
2127
2228
2330
2431
2532
2633
2735
2836
2937
3039
3140
3241
3342
3444
3545
3646
3748
3849
3950
4052
4153
4254
4355
4457
4558
4659
4761
4862
4963
5064
5166
5267
5368
5470
5571
5672
5773
5875
5976
6077
6179
6280
6381
6483
6584
6685

[1,2,4,5,6,8,9,10,11,13,14,15,17,18,19,20,22,23,
 24,26,27,28,30,31,32,33,35,36,37,39,40,41,42,44,
 45,46,48,49,50,52,53,54,55,57,58,59,61,62,63,64,
 66,67,68,70,71,72,73,75,76,77,79,80,81,83,84,85]