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A056524 as a simple table

na(n)
111
222
333
444
555
666
777
888
999
101001
111111
121221
131331
141441
151551
161661
171771
181881
191991
202002
212112
222222
232332
242442
252552
262662
272772
282882
292992
303003
313113
323223
333333
343443
353553
363663
373773
383883
393993
404004
414114
424224
434334
444444
454554

[11,22,33,44,55,66,77,88,99,1001,1111,1221,1331,
 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,
 4444,4554]