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A253178 as a simple table

na(n)
11
21
31
41
51
61
71
83
91
101
1147
121
131
141
151
162
171
182
191
201
213
221
231
241
252729
261
271
282
291
302
31175
321
331
341
351
361
371
383
393
403
4143
421
431
442
451
461
473
482
491
501
513
521
5311
541
551
564
571
582
591
601
613
622
631
641
651
661
67192275
682
691233
701
713
725
7351
741
751
761
771
78286
791
801
81755
822
831
844
851
866
871
882

[1,1,1,1,1,1,1,3,1,1,47,1,1,1,1,2,1,2,1,1,3,1,1,1,
 2729,1,1,2,1,2,175,1,1,1,1,1,1,3,3,3,43,1,1,2,1,1,
 3,2,1,1,3,1,11,1,1,4,1,2,1,1,3,2,1,1,1,1,192275,2,
 1233,1,3,5,51,1,1,1,1,286,1,1,755,2,1,4,1,6,1,2]