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A020338 as a simple table

na(n)
111
222
333
444
555
666
777
888
999
101010
111111
121212
131313
141414
151515
161616
171717
181818
191919
202020
212121
222222
232323
242424
252525
262626
272727
282828
292929
303030
313131
323232
333333
343434
353535
363636
373737
383838
393939
404040
414141
424242
434343
444444
454545
464646

[11,22,33,44,55,66,77,88,99,1010,1111,1212,1313,
 1414,1515,1616,1717,1818,1919,2020,2121,2222,2323,
 2424,2525,2626,2727,2828,2929,3030,3131,3232,3333,
 3434,3535,3636,3737,3838,3939,4040,4141,4242,4343,
 4444,4545,4646]