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A003637 as a simple table

na(n)
11
21
31
41
51
63
73
81
92
101
115
121
132
143
151
167
175
183
193
201
214
225
233
244
251
265
271
285
295
303
315
327
332
345
351
3611
375
384
391
4013
411
429
432
443
457
462
477
485
493
501
5115
523
537
543
552
5613
571
5811
593
607
612
624
634
645
653
6619
675
682
696
703
719
723
735
742
7519
769
774
783
7917
807
814
824
831
848
853
865
879
881
8921
901
9115
925
937
943
955
967
977
988
9925

[1,1,1,1,1,3,3,1,2,1,5,1,2,3,1,7,5,3,3,1,4,5,3,4,
 1,5,1,5,5,3,5,7,2,5,1,11,5,4,1,13,1,9,2,3,7,2,7,5,
 3,1,15,3,7,3,2,13,1,11,3,7,2,4,4,5,3,19,5,2,6,3,9,
 3,5,2,19,9,4,3,17,7,4,4,1,8,3,5,9,1,21,1,15,5,7,3,
 5,7,7,8,25]