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A126048 as a simple table

na(n)
12
23
35
47
55
61
73
87
95
101
113
127
131
147
157
163
171
181
195
207
211
225
235
241
255
261
271
283
297
301
313
327
331
343
355
365
371
381
395
403
417
427
431
441
453
461
471
481

[2,3,5,7,5,1,3,7,5,1,3,7,1,7,7,3,1,1,5,7,1,5,5,1,
 5,1,1,3,7,1,3,7,1,3,5,5,1,1,5,3,7,7,1,1,3,1,1,1]