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A159452 as a simple table

na(n)
10
21
32
43
54
65
76
87
98
109
1110
1211
1312
1413
1515
1620
1730
1840
1950

[0,1,2,3,4,5,6,7,8,9,10,11,12,13,15,20,30,40,50]