A001387 - OEIS

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A001387 as a simple table

n	a(n)
1	1
2	11
3	101
4	111011
5	11110101
6	100110111011
7	111001011011110101
8	111100111010110100110111011
9	100110011110111010110111001011011110101
10	1110010110010011011110111010110111100111010110100110111011

[1,11,101,111011,11110101,100110111011, 111001011011110101,111100111010110100110111011, 100110011110111010110111001011011110101, 11100101100100110111101110101101111001110101101001\ 10111011]