A038451 - OEIS

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A038451 as a simple table

n	a(n)
1	111111111
2	1011111111
3	1101111111
4	1110111111
5	1111011111
6	1111101111
7	1111110111
8	1111111011
9	1111111101
10	1111111110
11	10011111111
12	10101111111
13	10110111111
14	10111011111
15	10111101111
16	10111110111
17	10111111011

[111111111,1011111111,1101111111,1110111111, 1111011111,1111101111,1111110111,1111111011, 1111111101,1111111110,10011111111,10101111111, 10110111111,10111011111,10111101111,10111110111, 10111111011]