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A121031 as a simple table

n a(n)
1 11
2 110
3 1100
4 1111
5 1122
6 1133
7 1144
8 1155
9 1166
10 1177
11 1188
12 1199
13 2112
14 2211
15 3113
16 3311
17 4114
18 4411
19 5115
20 5511
21 6116
22 6611
23 7117
24 7711
25 8118
26 8811
27 9119
28 9911
29 11000
30 11011
31 11022
32 11033
33 11044
34 11055
35 11066
36 11077
37 11088
38 11099
39 11110

[11,110,1100,1111,1122,1133,1144,1155,1166,1177,
 1188,1199,2112,2211,3113,3311,4114,4411,5115,5511,
 6116,6611,7117,7711,8118,8811,9119,9911,11000,
 11011,11022,11033,11044,11055,11066,11077,11088,
 11099,11110]

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Last modified April 24 05:47 EDT 2024. Contains 371918 sequences. (Running on oeis4.)