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A122481 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
102
114
126
138
1410
1512
1614
1716
1818
1912
204
216
228
2310
2412
2514
2616
2718
2812
2915
306
318
3210
3312
3414
3516
3618
3712
3815
3918
408
4110
4212
4314
4416
4518
4612
4715
4818
4921
5010
5112
5214
5316
5418
5512
5615
5718
5821
5924
6012
6114
6216
6318
6412
6515
6618
6721
6824
6927
7014
7116
7218
7312
7415
7518

[0,1,2,3,4,5,6,7,8,9,2,4,6,8,10,12,14,16,18,12,4,
 6,8,10,12,14,16,18,12,15,6,8,10,12,14,16,18,12,15,
 18,8,10,12,14,16,18,12,15,18,21,10,12,14,16,18,12,
 15,18,21,24,12,14,16,18,12,15,18,21,24,27,14,16,
 18,12,15,18]