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A273488 as a simple table

na(n)
11
22
31
41
52
65
75
83
96
106
117
122
1313
148
1512
1610
1717
182
1915
209
2118
2224
2312
248
2512
2623
2715
2811
2921
3025
3130
3214
3329
3427
3523
3625
3734
3829
3942
4019
4142
4235
4357
4416
4569
4645
4741
4823
4945
5043
5143
5234
5360
5477
5552
5623
5753
5864
5974
6033

[1,2,1,1,2,5,5,3,6,6,7,2,13,8,12,10,17,2,15,9,18,
 24,12,8,12,23,15,11,21,25,30,14,29,27,23,25,34,29,
 42,19,42,35,57,16,69,45,41,23,45,43,43,34,60,77,
 52,23,53,64,74,33]