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A181109 as a simple table

na(n)
11
21
31
41
53
61
71
85
93
101
111
127
134
143
151
161
179
185
194
203
211
221
2311
247
255
264
273
281
291
3013
318
327
335
344
353
361
371
3815
3910
409
417
425
434
443
451
461
4717
4811
4911
509
517
525
534
543
551
561
5719
5813
5912
6011
619
627
635
644
653
661
671
6821
6914
7013
7112
7211
739
747
755
764
773
781
791
8023
8115
8215
8313
8413
8511
869
877
885
894
903
911

[1,1,1,1,3,1,1,5,3,1,1,7,4,3,1,1,9,5,4,3,1,1,11,7,
 5,4,3,1,1,13,8,7,5,4,3,1,1,15,10,9,7,5,4,3,1,1,17,
 11,11,9,7,5,4,3,1,1,19,13,12,11,9,7,5,4,3,1,1,21,
 14,13,12,11,9,7,5,4,3,1,1,23,15,15,13,13,11,9,7,5,
 4,3,1]