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A221356 as a simple table

na(n)
11
21
32
43
54
63
74
86
94
104
114
128
139
148
155
166
1710
1812
1912
209
216
227
2312
2412
2512
2615
2712
287
297
3014
3118
3220
3320
3418
3512
368
379
3816
3921
4024
4124
4224
4321
4416
459
4610
4718
4822
4928
5030
5130
5228
5324
5417
5510
5610
5720
5827
5932
6035
6130
6231
6332
6427
6520
6611
6712
6822
6930
7032
7139
7242
7342
7440
7532
7630
7720
7812
7913
8024

[1,1,2,3,4,3,4,6,4,4,4,8,9,8,5,6,10,12,12,9,6,7,
 12,12,12,15,12,7,7,14,18,20,20,18,12,8,9,16,21,24,
 24,24,21,16,9,10,18,22,28,30,30,28,24,17,10,10,20,
 27,32,35,30,31,32,27,20,11,12,22,30,32,39,42,42,
 40,32,30,20,12,13,24]