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A084460 as a simple table

na(n)
14
21
32
47
58
63
75
811
99
1013
116
1215
1316
1410
1518
1612
1720
1821
1922
2014
2117
2225
2326
2427
2528
2619
2723
2831
2932
3029
3134
3235
3324
3437
3538
3639
3730
3841
3933
4043
4144
4245
4346
4436
4548
4640
4750
4851
4952
5053
5154
5242
5347
5457
5558
5659
5755
5861
5962
6049
6164
6265
6366
6467
6556
6669
6770
6860
6972
7073
7174
7275

[4,1,2,7,8,3,5,11,9,13,6,15,16,10,18,12,20,21,22,
 14,17,25,26,27,28,19,23,31,32,29,34,35,24,37,38,
 39,30,41,33,43,44,45,46,36,48,40,50,51,52,53,54,
 42,47,57,58,59,55,61,62,49,64,65,66,67,56,69,70,
 60,72,73,74,75]