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A236465 as a simple table

na(n)
12
22
33
43
52
613
72
811
919
102
112
125
1311
142
1531
1653
173
1831
1943
2019
2113
2211
2343
2423
257
265
2713
285
2929
302
3129
3217
3353
34157
3513
3613
373
385
39127
407
4197
425
4397
442
4589
4661
477
4871
4961
505
51127
52113
5337
54191
55107
5617
57197
5837
59101
602
615
627
6317
64457
653
6619
6729
68103
69227

[2,2,3,3,2,13,2,11,19,2,2,5,11,2,31,53,3,31,43,19,
 13,11,43,23,7,5,13,5,29,2,29,17,53,157,13,13,3,5,
 127,7,97,5,97,2,89,61,7,71,61,5,127,113,37,191,
 107,17,197,37,101,2,5,7,17,457,3,19,29,103,227]