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A039960 as a simple table

na(n)
01
11
21
31
42
52
63
74
85
95
106
117
128
138
149
1510
1611
1711
1812
1913
2014
2114
2215
2316
2417
2518
2618
2719
2820
2921
3021
3122
3223
3324
3425
3525
3626
3727
3828
3929
4029
4130
4231
4332
4433
4533
4634
4735
4836
4937
5037
5138
5239
5340
5441
5542
5642
5743
5844
5945
6046
6146
6247
6348
6449
6550
6650
6751
6852
6953
7054
7155
7255
7356
7457

[1,1,1,1,2,2,3,4,5,5,6,7,8,8,9,10,11,11,12,13,14,
 14,15,16,17,18,18,19,20,21,21,22,23,24,25,25,26,
 27,28,29,29,30,31,32,33,33,34,35,36,37,37,38,39,
 40,41,42,42,43,44,45,46,46,47,48,49,50,50,51,52,
 53,54,55,55,56,57]