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A375776 as a simple table

na(n)
11
21
32
41
53
64
75
81
94
103
116
122
137
148
159
161
178
187
1910
206
2111
2212
2313
245
2514
2615
2716
2817
2918
3019
3120
321
3312
3411
3517
3610
3715
3814
3921
4013
4122
4223
4324
4425
4526
4627
4728
482
4929
5030
5131
5232
5333
5434
5535
5636
5737
5838
5939
6040
6141
6242
6343
641
6519
6618
6725
6816
6923
7022
7136
7210
7330
7429
7532

[1,1,2,1,3,4,5,1,4,3,6,2,7,8,9,1,8,7,10,6,11,12,
 13,5,14,15,16,17,18,19,20,1,12,11,17,10,15,14,21,
 13,22,23,24,25,26,27,28,2,29,30,31,32,33,34,35,36,
 37,38,39,40,41,42,43,1,19,18,25,16,23,22,36,10,30,
 29,32]