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A226672 as a simple table

na(n)
11
2187
323
441
53811
6235
77
81
9899
1011
117
125
1313
1435
1525
165
1719
1813
1913
201
2123
2217
2323
245
257
2625
2713
2829
2911
3023
3131
32161
3313
345
351
3667

[1,187,23,41,3811,235,7,1,899,11,7,5,13,35,25,5,
 19,13,13,1,23,17,23,5,7,25,13,29,11,23,31,161,13,
 5,1,67]