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A072300 as a simple table

na(n)
11
21
32
42
54
62
76
84
96
1010
1110
127
1313
1414
1510
1616
1717
1812
1916
2010
217
2210
2312
247
2512
2613
279
2814
2914
3020
3129
3231
3320
3434
3535
3620
3737
3838
3925
4020
4118
4214
4321
4420
4515
4623
4723
4814
4924
5040
5127
5242
5337
5429
5540
5641
5730
5844
5945
6020
6131
6229
6321
6431
6528
6620
6732
6833
6923
7060
7167
7248
7372

[1,1,2,2,4,2,6,4,6,10,10,7,13,14,10,16,17,12,16,
 10,7,10,12,7,12,13,9,14,14,20,29,31,20,34,35,20,
 37,38,25,20,18,14,21,20,15,23,23,14,24,40,27,42,
 37,29,40,41,30,44,45,20,31,29,21,31,28,20,32,33,
 23,60,67,48,72]