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A289627 as a simple table

na(n)
11
23
32
45
55
66
78
810
97
1015
1112
129
1313
1424
1510
1620
1717
1821
1919
2025
2117
2236
2324
2418
2525
2639
2721
2841
2929
3030
3130
3240
3325
3451
3540
3633
3737
3857
3926
4050
4141
4251
4342
4461
4535
4672
4748
4836
4955
5075
5134
5265
5353
5463
5560
5682
5738
5887
5960
6045
6161
6290
6358
6480
6565
6675
6766
6885
6949
70120
7170
7266
7373
74111
7550
7695
7795
7878
7978
80100
8163
82123
8384
8481

[1,3,2,5,5,6,8,10,7,15,12,9,13,24,10,20,17,21,19,
 25,17,36,24,18,25,39,21,41,29,30,30,40,25,51,40,
 33,37,57,26,50,41,51,42,61,35,72,48,36,55,75,34,
 65,53,63,60,82,38,87,60,45,61,90,58,80,65,75,66,
 85,49,120,70,66,73,111,50,95,95,78,78,100,63,123,
 84,81]