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A151573 as a simple table

na(n)
01
11
23
37
43
57
617
713
83
97
1017
1113
1217
1341
1443
1519
163
177
1817
1913
2017
2141
2243
2319
2417
2541
2643
2747
2899
29127
3081
3125
323
337
3417
3513
3617
3741
3843
3919
4017
4141
4243
4347
4499
45127
4681
4725
4817
4941
5043
5147
5299
53127
5481
5553
5699
57127
58137
59245
60353
61289
62131
6331
643
657
6617
6713
6817
6941
7043
7119
7217

[1,1,3,7,3,7,17,13,3,7,17,13,17,41,43,19,3,7,17,
 13,17,41,43,19,17,41,43,47,99,127,81,25,3,7,17,13,
 17,41,43,19,17,41,43,47,99,127,81,25,17,41,43,47,
 99,127,81,53,99,127,137,245,353,289,131,31,3,7,17,
 13,17,41,43,19,17]