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Search: id:A110767
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| A110767 |
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a(1) = 11 then the least number of concatenation of n that gives prime when placed on the most significant side of the previous concatenation. |
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1
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OFFSET
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1,1
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COMMENT
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Contribution from David Wasserman (dwasserm(AT)earthlink.net), Dec 30 2008: (Start)
Next term has 634 digits.
A088061 gives the primes. (End)
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EXAMPLE
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11,211,33211,44433211,5544433211,... are all primes.
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CROSSREFS
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Cf. A088061. [From David Wasserman (dwasserm(AT)earthlink.net), Dec 30 2008]
Sequence in context: A051309 A077344 A095157 this_sequence A089365 A130217 A096044
Adjacent sequences: A110764 A110765 A110766 this_sequence A110768 A110769 A110770
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KEYWORD
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base,more,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 12 2005
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