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A079578 as a simple table

na(n)
13
25
35
47
57
611
79
811
911
1013
1113
1217
1315
1417
1517
1619
1719
1823
1921
2023
2123
2225
2325
2429
2527
2629
2729
2831
2931
3037
3133
3235
3335
3437
3537
3641
3739
3841
3941
4043
4143
4247
4345
4447
4547
4649
4749
4853
4951
5053
5153
5255
5355
5459
5557
5659
5759
5861
5961
6067
6163
6265
6365
6467
6567
6671
6769
6871
6971
7073
7173

[3,5,5,7,7,11,9,11,11,13,13,17,15,17,17,19,19,23,
 21,23,23,25,25,29,27,29,29,31,31,37,33,35,35,37,
 37,41,39,41,41,43,43,47,45,47,47,49,49,53,51,53,
 53,55,55,59,57,59,59,61,61,67,63,65,65,67,67,71,
 69,71,71,73,73]