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A138100 as a simple table

na(n)
11
22
35
46
57
68
79
810
911
1012
1121
1222
1323
1424
1525
1626
1727
1828
1929
2030
2131
2232
2333
2434
2535
2636
2737
2838
2957
3058
3159
3260
3361
3462
3563
3664
3765
3866
3967
4068
4169
4270
4371
4472
4573
4674
4775
4876
4977
5078
5179
5280
5381
5482
5583
5684
5785
5886
5987
6088

[1,2,5,6,7,8,9,10,11,12,21,22,23,24,25,26,27,28,
 29,30,31,32,33,34,35,36,37,38,57,58,59,60,61,62,
 63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,
 79,80,81,82,83,84,85,86,87,88]