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A309590 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
100
111
1212
1323
1434
1545
1656
1767
1878
1989
202
213
224
235
246
257
268
279
2810
2911
3013
3114
3215
3316
3417
3518
3619
3720
3821
3922
4024
4125
4226
4327
4428
4529
4630
4731
4832
4933
5035
5136
5237
5338
5439
5540
5641
5742
5843
5944
6046
6147
6248
6349
6450
6551
6652
6753
6854
6955

[0,1,2,3,4,5,6,7,8,9,0,1,12,23,34,45,56,67,78,89,
 2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,21,
 22,24,25,26,27,28,29,30,31,32,33,35,36,37,38,39,
 40,41,42,43,44,46,47,48,49,50,51,52,53,54,55]