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A093715 as a simple table

na(n)
11
23
32
45
54
67
76
89
911
1014
118
1216
1310
1412
1518
1621
1713
1823
1915
2025
2120
2219
2317
2429
2522
2627
2726
2833
2924
3037
3128
3231
3334
3439
3530
3643
3732
3835
3940
4045
4136
4251
4338
4441
4548
4647
4742
4853
4944
5055
5146
5249
5352
5459
5550
5657
5756
5861
5954
6065
6158
6263
6362
6467
6560
6671
6764
6869
6968
7073
7166
7277

[1,3,2,5,4,7,6,9,11,14,8,16,10,12,18,21,13,23,15,
 25,20,19,17,29,22,27,26,33,24,37,28,31,34,39,30,
 43,32,35,40,45,36,51,38,41,48,47,42,53,44,55,46,
 49,52,59,50,57,56,61,54,65,58,63,62,67,60,71,64,
 69,68,73,66,77]