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A047602 as a simple table

na(n)
10
21
32
43
54
65
78
89
910
1011
1112
1213
1316
1417
1518
1619
1720
1821
1924
2025
2126
2227
2328
2429
2532
2633
2734
2835
2936
3037
3140
3241
3342
3443
3544
3645
3748
3849
3950
4051
4152
4253
4356
4457
4558
4659
4760
4861
4964
5065
5166
5267
5368
5469
5572
5673
5774
5875
5976
6077
6180
6281
6382
6483
6584
6685
6788

[0,1,2,3,4,5,8,9,10,11,12,13,16,17,18,19,20,21,24,
 25,26,27,28,29,32,33,34,35,36,37,40,41,42,43,44,
 45,48,49,50,51,52,53,56,57,58,59,60,61,64,65,66,
 67,68,69,72,73,74,75,76,77,80,81,82,83,84,85,88]