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A110720
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Beginning with 5, concatenation of n successive numbers such that every partial concatenation is a prime.
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1
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..10.
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EXAMPLE
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5,523,523353637,... are all prime.
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CROSSREFS
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Cf. A110714, A110715, A110716, A110717, A110718, A110719, A110721.
Sequence in context: A345713 A174106 A120660 * A200822 A112613 A305057
Adjacent sequences: A110717 A110718 A110719 * A110721 A110722 A110723
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KEYWORD
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base,hard,nonn
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AUTHOR
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Amarnath Murthy, Aug 05 2005
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EXTENSIONS
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More terms from Jon E. Schoenfield, Jul 11 2010
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STATUS
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approved
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