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A078688 as a simple table

na(n)
01
13
21
31
411
51
61
719
81
91
1027
111
121
1335
141
151
1643
171
181
1951
201
211
2259
231
241
2567
261
271
2875
291
301
3183
321
331
3491
351
361
3799
381
391
40107
411
421
43115
441
451
46123
471
481
49131
501
511
52139
531
541
55147
561
571
58155
591
601
61163
621
631
64171
651
661
67179
681
691
70187

[1,3,1,1,11,1,1,19,1,1,27,1,1,35,1,1,43,1,1,51,1,
 1,59,1,1,67,1,1,75,1,1,83,1,1,91,1,1,99,1,1,107,1,
 1,115,1,1,123,1,1,131,1,1,139,1,1,147,1,1,155,1,1,
 163,1,1,171,1,1,179,1,1,187]