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A004722 as a simple table

na(n)
00
11
22
34
45
56
67
78
89
910
1011
1112
121
1314
1415
1516
1617
1718
1819
1920
2021
2122
222
2324
2425
2526
2627
2728
2829
290
301
312
324
335
346
357
368
379
3840
3941
4042
414
4244
4345
4446
4547
4648
4749
4850
4951
5052
515
5254
5355
5456
5557
5658
5759
5860
5961
6062
616
6264
6365
6466
6567
6668
6769
6870
6971
7072
717
7274
7375
7476

[0,1,2,4,5,6,7,8,9,10,11,12,1,14,15,16,17,18,19,
 20,21,22,2,24,25,26,27,28,29,0,1,2,4,5,6,7,8,9,40,
 41,42,4,44,45,46,47,48,49,50,51,52,5,54,55,56,57,
 58,59,60,61,62,6,64,65,66,67,68,69,70,71,72,7,74,
 75,76]