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A047293 as a simple table

na(n)
10
22
34
46
57
69
711
813
914
1016
1118
1220
1321
1423
1525
1627
1728
1830
1932
2034
2135
2237
2339
2441
2542
2644
2746
2848
2949
3051
3153
3255
3356
3458
3560
3662
3763
3865
3967
4069
4170
4272
4374
4476
4577
4679
4781
4883
4984
5086
5188
5290
5391
5493
5595
5697
5798
58100
59102
60104
61105
62107
63109
64111

[0,2,4,6,7,9,11,13,14,16,18,20,21,23,25,27,28,30,
 32,34,35,37,39,41,42,44,46,48,49,51,53,55,56,58,
 60,62,63,65,67,69,70,72,74,76,77,79,81,83,84,86,
 88,90,91,93,95,97,98,100,102,104,105,107,109,111]