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A047312 as a simple table

na(n)
10
24
35
46
57
611
712
813
914
1018
1119
1220
1321
1425
1526
1627
1728
1832
1933
2034
2135
2239
2340
2441
2542
2646
2747
2848
2949
3053
3154
3255
3356
3460
3561
3662
3763
3867
3968
4069
4170
4274
4375
4476
4577
4681
4782
4883
4984
5088
5189
5290
5391
5495
5596
5697
5798
58102
59103
60104
61105
62109
63110
64111

[0,4,5,6,7,11,12,13,14,18,19,20,21,25,26,27,28,32,
 33,34,35,39,40,41,42,46,47,48,49,53,54,55,56,60,
 61,62,63,67,68,69,70,74,75,76,77,81,82,83,84,88,
 89,90,91,95,96,97,98,102,103,104,105,109,110,111]