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A128248 as a simple table

na(n)
1-1
2-1
31
42
52
64
73
84
93
104
115
128
136
148
158
168
178
1812
199
208
218
2212
2311
2416
2510
2612
279
2816
2914
3016
3115
3216
3316
3416
3516
3624
3718
3820
3916
4016
4120
4216
4321
4424
4524
4624
4723
4832
4921
5020
5124
5224
5326
5436
5524
5632
5724
5828
5929
6032
6130
6232
6324
6432
6532
6632
6733
6832
6932
7032
7135
7248
7336
7436
7540
7640
7740
7832
7939
8032
8127
8240
8341
8432
8540
8644
8740
8848
8944
9048
9148

[-1,-1,1,2,2,4,3,4,3,4,5,8,6,8,8,8,8,12,9,8,8,12,
 11,16,10,12,9,16,14,16,15,16,16,16,16,24,18,20,16,
 16,20,16,21,24,24,24,23,32,21,20,24,24,26,36,24,
 32,24,28,29,32,30,32,24,32,32,32,33,32,32,32,35,
 48,36,36,40,40,40,32,39,32,27,40,41,32,40,44,40,
 48,44,48,48]