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A004773 as a simple table

na(n)
00
11
22
34
45
56
68
79
810
912
1013
1114
1216
1317
1418
1520
1621
1722
1824
1925
2026
2128
2229
2330
2432
2533
2634
2736
2837
2938
3040
3141
3242
3344
3445
3546
3648
3749
3850
3952
4053
4154
4256
4357
4458
4560
4661
4762
4864
4965
5066
5168
5269
5370
5472
5573
5674
5776
5877
5978
6080
6181
6282
6384
6485
6586
6688
6789
6890

[0,1,2,4,5,6,8,9,10,12,13,14,16,17,18,20,21,22,24,
 25,26,28,29,30,32,33,34,36,37,38,40,41,42,44,45,
 46,48,49,50,52,53,54,56,57,58,60,61,62,64,65,66,
 68,69,70,72,73,74,76,77,78,80,81,82,84,85,86,88,
 89,90]