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A005524 as a simple table

na(n)
12
23
34
45
56
67
78
89
910
1012
1113
1214
1316
1418
1519
1620
1721
1822
1925
2027
2128
2230
2332
2434
2537
2638
2740
2842
2944
3045
3148
3250
3351
3454
3558
3661
3762
3864
3965
4067
4172
4274
4375
4475
4577
4680
4781
4887
4988
5091
5194
5296
5398
54100
55103
56104
57109
58110
59113
60114
61120
62126
63129
64130
65132
66135
67136
68137
69141

[2,3,4,5,6,7,8,9,10,12,13,14,16,18,19,20,21,22,25,
 27,28,30,32,34,37,38,40,42,44,45,48,50,51,54,58,
 61,62,64,65,67,72,74,75,75,77,80,81,87,88,91,94,
 96,98,100,103,104,109,110,113,114,120,126,129,130,
 132,135,136,137,141]