A260027 - OEIS

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A260027 as a simple table

n	a(n)
1	7
2	111
3	1101111
4	100001100110100110111
5	1010110101111001011010001101011100010111010110010110001101100011111

[7,111,1101111,100001100110100110111, 10101101011110010110100011010111000101110101100101\ 10001101100011111]