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A004920 as a simple table

n a(n)
0 0
1 11
2 22
3 33
4 44
5 55
6 66
7 77
8 88
9 99
10 110
11 121
12 133
13 144
14 155
15 166
16 177
17 188
18 199
19 210
20 221
21 232
22 243
23 255
24 266
25 277
26 288
27 299
28 310
29 321
30 332
31 343
32 354
33 365
34 377
35 388
36 399
37 410
38 421
39 432
40 443
41 454
42 465
43 476
44 487

[0,11,22,33,44,55,66,77,88,99,110,121,133,144,155,
 166,177,188,199,210,221,232,243,255,266,277,288,
 299,310,321,332,343,354,365,377,388,399,410,421,
 432,443,454,465,476,487]

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Last modified December 6 08:53 EST 2016. Contains 278775 sequences.