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A097152 as a simple table

na(n)
27
311
45
511
619
719
817
911
1013
1119
1213
1317
1431
1517
1617
1719
1823
1931
2029
2137
2229
2329
2429
2529
2637
2737
2829
2953
3037
3141
3241
3337
3437
3543
3637
3741
3843
3941
4041
4143
4247
4353
4453
4559
4653
4753
4859
4953
5071
5159
5253
5359
5467
5567
5661
5759
5861
5967
6061
6173
6267
6383
6467
6567
6697
6773
6883
6973
7073
7173

[7,11,5,11,19,19,17,11,13,19,13,17,31,17,17,19,23,
 31,29,37,29,29,29,29,37,37,29,53,37,41,41,37,37,
 43,37,41,43,41,41,43,47,53,53,59,53,53,59,53,71,
 59,53,59,67,67,61,59,61,67,61,73,67,83,67,67,97,
 73,83,73,73,73]