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A072601 as a simple table

na(n)
11
22
33
45
56
67
79
810
911
1012
1113
1214
1315
1419
1521
1622
1723
1825
1926
2027
2128
2229
2330
2431
2535
2637
2738
2839
2941
3042
3143
3244
3345
3446
3547
3649
3750
3851
3952
4053
4154
4255
4356
4457
4558
4659
4760
4861
4962
5063
5171
5275
5377
5478
5579
5683
5785
5886
5987
6089
6190
6291
6392
6493
6594
6695
6799
68101
69102
70103

[1,2,3,5,6,7,9,10,11,12,13,14,15,19,21,22,23,25,
 26,27,28,29,30,31,35,37,38,39,41,42,43,44,45,46,
 47,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
 71,75,77,78,79,83,85,86,87,89,90,91,92,93,94,95,
 99,101,102,103]