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A066954 as a simple table

na(n)
11
22
32
41
52
64
72
82
92
104
112
126
132
144
154
162
172
186
192
206
214
224
232
244
252
264
272
286
292
308

[1,2,2,1,2,4,2,2,2,4,2,6,2,4,4,2,2,6,2,6,4,4,2,4,
 2,4,2,6,2,8]