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A018528 as a simple table

na(n)
11
22
33
44
56
68
79
812
916
1018
1124
1232
1336
1448
1564
1672
1796
18144
19192
20288
21576

[1,2,3,4,6,8,9,12,16,18,24,32,36,48,64,72,96,144,
 192,288,576]