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A169681 as a simple table

na(n)
391
387
370
361
354
341
331
328
313
304
296
280
274
266
259
242
233
221
217
203
191
186
178
167
153
140
133
127
111
105
98
88
74
61
50
45
37
22
17

[1,7,0,1,4,1,1,8,3,4,6,0,4,6,9,2,3,1,7,3,1,6,8,7,
 3,0,3,7,1,5,8,8,4,1,0,5,7,2,7]