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A054500 as a simple table

na(n)
11
25
37
411
513
613
713
813
917
1017
1117
1217
1317
1419
1519
1619
1723
1823
1923
2025
2125
2225
2325
2425
2525
2625
2725
2829
2929
3029
3129
3229

[1,5,7,11,13,13,13,13,17,17,17,17,17,19,19,19,23,
 23,23,25,25,25,25,25,25,25,25,29,29,29,29,29]