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A005206 as a simple table

na(n)
00
11
21
32
43
53
64
74
85
96
106
117
128
138
149
159
1610
1711
1811
1912
2012
2113
2214
2314
2415
2516
2616
2717
2817
2918
3019
3119
3220
3321
3421
3522
3622
3723
3824
3924
4025
4125
4226
4327
4427
4528
4629
4729
4830
4930
5031
5132
5232
5333
5433
5534
5635
5735
5836
5937
6037
6138
6238
6339
6440
6540
6641
6742
6842
6943
7043
7144
7245
7345
7446
7546
7647

[0,1,1,2,3,3,4,4,5,6,6,7,8,8,9,9,10,11,11,12,12,
 13,14,14,15,16,16,17,17,18,19,19,20,21,21,22,22,
 23,24,24,25,25,26,27,27,28,29,29,30,30,31,32,32,
 33,33,34,35,35,36,37,37,38,38,39,40,40,41,42,42,
 43,43,44,45,45,46,46,47]