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A050785 as a simple table

na(n)
111
222
333
444
555
666
777
888
999
10111
11222
12333
13444
14555
15666
16777
17888
18999
191001
201111
211221
221331
231441
241551
251661
261771
271881
281991
292002
302112
312222
322332
332442
342552
352662
362772
372882
382992
393003
403113
413223
423333
433443
443553
453663
463773
473883
483993
494004
504114
514224
524334
534444

[11,22,33,44,55,66,77,88,99,111,222,333,444,555,
 666,777,888,999,1001,1111,1221,1331,1441,1551,
 1661,1771,1881,1991,2002,2112,2222,2332,2442,2552,
 2662,2772,2882,2992,3003,3113,3223,3333,3443,3553,
 3663,3773,3883,3993,4004,4114,4224,4334,4444]