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A084041 as a simple table

na(n)
13
25
35
413
513
61153
77
83
95
105
113
1213
135
143
157
163
175
1813
193
203
213
2219
2313
2429
25139969
265
275
285
2919
307
317
3217
3319
345
3513
3637
373
383
397
403
4113
42127
433
445
453
467
47577
4831
4917
507
515
525
535
5419
55577
565
577
585
597
605
613
625
6331
64109
6523
66101
677
683
695
703
717
7217
7329
74353
7513
7629
77113
7811
7917

[3,5,5,13,13,1153,7,3,5,5,3,13,5,3,7,3,5,13,3,3,3,
 19,13,29,139969,5,5,5,19,7,7,17,19,5,13,37,3,3,7,
 3,13,127,3,5,3,7,577,31,17,7,5,5,5,19,577,5,7,5,7,
 5,3,5,31,109,23,101,7,3,5,3,7,17,29,353,13,29,113,
 11,17]