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A375018 as a simple table

na(n)
12
23
34
46
57
68
79
812
913
1014
1116
1217
1318
1419
1521
1623
1724
1826
1927
2028
2129
2232
2334
2436
2537
2638
2739
2842
2946
3047
3148
3249
3351
3452
3553
3654
3756
3857
3958
4059
4163
4264
4367
4468
4569
4672
4773
4874
4976
5078
5179
5281
5383
5484
5587
5691
5792
5894
5996
6097
6198

[2,3,4,6,7,8,9,12,13,14,16,17,18,19,21,23,24,26,
 27,28,29,32,34,36,37,38,39,42,46,47,48,49,51,52,
 53,54,56,57,58,59,63,64,67,68,69,72,73,74,76,78,
 79,81,83,84,87,91,92,94,96,97,98]