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A169684 as a simple table

na(n)
331
326
312
302
295
289
272
267
256
248
232
229
212
201
193
183
176
163
153
149
131
125
117
108
90
81
70
62
58
48
31
22
17

[1,6,2,2,5,9,2,7,6,8,2,9,2,1,3,3,6,3,3,9,1,5,7,8,
 0,1,0,2,8,8,1,2,7]