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A047624 as a simple table

na(n)
10
21
33
45
58
69
711
813
916
1017
1119
1221
1324
1425
1527
1629
1732
1833
1935
2037
2140
2241
2343
2445
2548
2649
2751
2853
2956
3057
3159
3261
3364
3465
3567
3669
3772
3873
3975
4077
4180
4281
4383
4485
4588
4689
4791
4893
4996
5097
5199
52101
53104
54105
55107
56109
57112
58113
59115
60117
61120
62121
63123

[0,1,3,5,8,9,11,13,16,17,19,21,24,25,27,29,32,33,
 35,37,40,41,43,45,48,49,51,53,56,57,59,61,64,65,
 67,69,72,73,75,77,80,81,83,85,88,89,91,93,96,97,
 99,101,104,105,107,109,112,113,115,117,120,121,
 123]