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A054261
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Smallest number that contains the first n primes as substrings.
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8
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2, 23, 235, 2357, 112357, 113257, 1131725, 113171925, 1131719235, 113171923295, 113171923295, 1131719237295, 11317237294195, 1131723294194375, 113172329419437475, 1131723294194347537, 113172329419434753759
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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The version that allows substrings to go from left to right or right to left is A240959. - Dmitry Kamenetsky, Oct 07 2015
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LINKS
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CROSSREFS
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KEYWORD
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nonn,base,nice
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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