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A004090 as a simple table

na(n)
00
11
21
32
43
55
68
74
83
97
1010
1117
129
138
1417
157
1624
1722
1819
1914
2024
2120
2217
2328
2427
2519
2619
2729
2821
2923
3017
3131
3230
3334
3437
3535
3627
3735
3844
3943
4024
4131
4246
4341
4433
4529
4635
4737
4854
4955
5046
5129
5248
5341
5453
5558
5648
5752
5873
5944
6054
6153
6262
6361
6451
6567
6673
6759

[0,1,1,2,3,5,8,4,3,7,10,17,9,8,17,7,24,22,19,14,
 24,20,17,28,27,19,19,29,21,23,17,31,30,34,37,35,
 27,35,44,43,24,31,46,41,33,29,35,37,54,55,46,29,
 48,41,53,58,48,52,73,44,54,53,62,61,51,67,73,59]