A115806 - OEIS

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A115806 as a simple table

n	a(n)
0	0
1	11
2	110
3	1100
4	11000
5	110000
6	1100000
7	11000000
8	11000011
9	110000000
10	110000011
11	110000110
12	1100000000
13	1100000011
14	1100000110
15	1100001100
16	11000000000
17	11000000011
18	11000000110
19	11000001100
20	11000011000

[0,11,110,1100,11000,110000,1100000,11000000, 11000011,110000000,110000011,110000110,1100000000, 1100000011,1100000110,1100001100,11000000000, 11000000011,11000000110,11000001100,11000011000]