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A309498 as a simple table

na(n)
11
21
31
41
53
61
75
815
94
102
112
121
1313
145
151
166
172
1813
191
202
211
223
239
245
2510
265
271
285
292
309
316
328
334
342
357
363
371
381
3910
4011
412
427
432
441
454
465
4713
484
494
503
511
523
537
542
554
566
573
587
595
602
6120
626
634
642
656
661
672
681
694
703
714
723
735
745
755
7616
772
7814
793
803
812
822
835
845

[1,1,1,1,3,1,5,15,4,2,2,1,13,5,1,6,2,13,1,2,1,3,9,
 5,10,5,1,5,2,9,6,8,4,2,7,3,1,1,10,11,2,7,2,1,4,5,
 13,4,4,3,1,3,7,2,4,6,3,7,5,2,20,6,4,2,6,1,2,1,4,3,
 4,3,5,5,5,16,2,14,3,3,2,2,5,5]