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A318669 as a simple table

na(n)
11
21
31
47
53
61
75
825
95
103
117
127
1311
145
153
16363
1713
185
1917
2021
215
227
2319
2425
2551
2611
2713
2835
2923
303
3129
321335
337
3413
3515
3635
3731
3817
3911
4075
4137
425
4341
4449
4515
4619
4743
48363
49115
5051
5113
5277
5347
5413
5521
56125
5717
5823
5953
6021
6159
6229
6325
649923
6533
667
6761
6891
6919
7015
7167
72125
7371
7431
7551
76119
7735
7811
7973
801089
81139
8237
8379
8435
8539
8641
8723

[1,1,1,7,3,1,5,25,5,3,7,7,11,5,3,363,13,5,17,21,5,
 7,19,25,51,11,13,35,23,3,29,1335,7,13,15,35,31,17,
 11,75,37,5,41,49,15,19,43,363,115,51,13,77,47,13,
 21,125,17,23,53,21,59,29,25,9923,33,7,61,91,19,15,
 67,125,71,31,51,119,35,11,73,1089,139,37,79,35,39,
 41,23]