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A039031 as a simple table

na(n)
11
23
34
45
56
68
710
811
912
1013
1114
1222
1324
1425
1526
1627
1729
1831
1932
2033
2134
2236
2338
2439
2540
2641
2743
2845
2946
3047
3148
3251
3357
3459
3560
3661
3762
3863
3971
4073
4174
4275
4376
4478
4580
4681
4782
4883
4985
5087
5188
5289
5390
5492
5594
5695
5796
5897
5999
60101
61102
62103
63104
64105
65119
66126
67133
68140

[1,3,4,5,6,8,10,11,12,13,14,22,24,25,26,27,29,31,
 32,33,34,36,38,39,40,41,43,45,46,47,48,51,57,59,
 60,61,62,63,71,73,74,75,76,78,80,81,82,83,85,87,
 88,89,90,92,94,95,96,97,99,101,102,103,104,105,
 119,126,133,140]