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A018585 as a simple table

na(n)
11
22
33
44
56
67
78
812
914
1016
1121
1224
1328
1432
1542
1648
1756
1884
1996
20112
21168
22224
23336
24672

[1,2,3,4,6,7,8,12,14,16,21,24,28,32,42,48,56,84,
 96,112,168,224,336,672]