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A080331 as a simple table

na(n)
10
20
32
43
54
65
76
87
98
109
1110
1211
1312
1413
1513
1615
1715
1817
1913
2017
2120
2220
2320
2420
2520
2625
2726
2827
2928
3020
3120
3227
3325
3433
3527
3628
3736
3837
3938
4027
4140
4238
4342
4442
4544
4640
4746
4847
4948
5042
5140
5251
5352
5438
5553
5644
5756
5856
5954
6059
6155
6261
6356
6453
6561
6665
6765
6867
6961
7069
7170

[0,0,2,3,4,5,6,7,8,9,10,11,12,13,13,15,15,17,13,
 17,20,20,20,20,20,25,26,27,28,20,20,27,25,33,27,
 28,36,37,38,27,40,38,42,42,44,40,46,47,48,42,40,
 51,52,38,53,44,56,56,54,59,55,61,56,53,61,65,65,
 67,61,69,70]