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A065518 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
112
121
134
145
152
167
178
181
1910
201
211
222
235
241
257
264
271
285
2911
301
314
325
332
347
358
361
3710
3811
394
401
415
421
437
442
451
465
4711
481
4913
501
512
527
538
541
552
5611
574
5813
5914
601
617
624
631
645
6511
662
6713
687
695
701
718
721
7310
7411
754
7613
772
785
7916
801
811
825
8311
841
8513

[1,1,1,1,1,1,1,1,1,1,2,1,4,5,2,7,8,1,10,1,1,2,5,1,
 7,4,1,5,11,1,4,5,2,7,8,1,10,11,4,1,5,1,7,2,1,5,11,
 1,13,1,2,7,8,1,2,11,4,13,14,1,7,4,1,5,11,2,13,7,5,
 1,8,1,10,11,4,13,2,5,16,1,1,5,11,1,13]