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Search: id:A110718
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| A110718 |
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Beginning with 7, concatenation of n successive numbers such that every partial concatenation is a prime. |
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+0
4
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OFFSET
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1,1
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EXAMPLE
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7,71011,71011123,... are all prime.
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CROSSREFS
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Cf. A110714, A110715, A110716, A110717, A110719.
Sequence in context: A024098 A004786 A062841 this_sequence A004807 A139781 A101072
Adjacent sequences: A110715 A110716 A110717 this_sequence A110719 A110720 A110721
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KEYWORD
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base,hard,more,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 05 2005
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