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A102451 as a simple table

na(n)
11
22
33
44
55
67
76
88
99
1011
1110
1213
1312
1416
1514
1615
1717
1819
1918
2023
2120
2221
2322
2425
2524
2627
2726
2829
2928
3031
3132
3230
3337
3433
3534
3635
3736
3841
3938
4039
4140
4243
4347
4442
4544
4645
4746
4849
4948
5053
5150
5251
5352
5459
5554
5655
5756
5857
5958
6061
6164
6260
6362
6463
6567
6665
6771
6866
6968
7069
7173
7270

[1,2,3,4,5,7,6,8,9,11,10,13,12,16,14,15,17,19,18,
 23,20,21,22,25,24,27,26,29,28,31,32,30,37,33,34,
 35,36,41,38,39,40,43,47,42,44,45,46,49,48,53,50,
 51,52,59,54,55,56,57,58,61,64,60,62,63,67,65,71,
 66,68,69,73,70]