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A360552 as a simple table

na(n)
12
23
34
45
57
68
79
811
913
1015
1116
1217
1319
1421
1523
1625
1727
1829
1930
2031
2132
2233
2335
2437
2539
2641
2742
2843
2945
3047
3149
3251
3353
3455
3557
3659
3760
3861
3963
4064
4165
4266
4367
4469
4570
4671
4773
4875
4977
5078
5179
5281
5383
5484
5585
5687
5789
5890
5991
6093
6195
6297
6399
64101
65102
66103

[2,3,4,5,7,8,9,11,13,15,16,17,19,21,23,25,27,29,
 30,31,32,33,35,37,39,41,42,43,45,47,49,51,53,55,
 57,59,60,61,63,64,65,66,67,69,70,71,73,75,77,78,
 79,81,83,84,85,87,89,90,91,93,95,97,99,101,102,
 103]