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A086818
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a(1) = 111, a(n) = the smallest squarefree number > a(n-1) which contains all the digits of a(n-1).
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111, 1011, 1101, 1110, 10011, 10101, 10110, 11001, 11010, 100011, 100101, 100110, 101001, 101010, 110001, 110010, 1000011, 1000101, 1000110, 1001001, 1001010, 1010001, 1010010, 1100010, 10000011, 10000101, 10000110, 10001001, 10001010
(list; graph; refs; listen; history; internal format)
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