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A089600 as a simple table

na(n)
00
11
22
311
412
521
6102
7111
8112
9121
10202
11211
121012
131021
141102
151111
161112
171121
181202
191211
202012
212021
222102
232111
2410112
2510121
2610202
2710211
2811012
2911021
3011102
3111111
3211112
3311121
3411202
3511211
3612012
3712021
3812102
3912111
4020112

[0,1,2,11,12,21,102,111,112,121,202,211,1012,1021,
 1102,1111,1112,1121,1202,1211,2012,2021,2102,2111,
 10112,10121,10202,10211,11012,11021,11102,11111,
 11112,11121,11202,11211,12012,12021,12102,12111,
 20112]