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A233740 as a simple table

na(n)
22
32
45
56
65
78
87
95
1013
1111
129
1313
1421
1519
1618
1720
1815
1932
2028
2126
2223
2321
2420
2520
2621
2728
2824
2938
3034
3137
3231
3342
3436
3535
3636
3730
3828
3932
4039
4135
4235
4363
4457
4562
4657
4754
4849
4943
5050
5143
5239
5338
5433

[2,2,5,6,5,8,7,5,13,11,9,13,21,19,18,20,15,32,28,
 26,23,21,20,20,21,28,24,38,34,37,31,42,36,35,36,
 30,28,32,39,35,35,63,57,62,57,54,49,43,50,43,39,
 38,33]