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A253201 as a simple table

na(n)
10
21
33
45
56
67
78
810
912
1014
1117
1218
1319
1420
1521
1622
1723
1824
1927
2029

[0,1,3,5,6,7,8,10,12,14,17,18,19,20,21,22,23,24,
 27,29]