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Search: id:A105106
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| A105106 |
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Numbers n such that the string n101 is prime. |
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+0
4
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| 0, 5, 6, 8, 12, 15, 20, 21, 29, 42, 50, 53, 54, 56, 60, 65, 72, 74, 77, 78, 81, 83, 89, 95, 98, 102, 107, 116, 117, 119, 125, 131, 135, 138, 141, 149, 170, 174, 177, 182, 194, 197, 201, 204, 210, 221, 224, 230, 240, 242, 243, 252, 258, 261, 263, 264, 282, 285, 291
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Also numbers such that 1000*n+101 is prime. - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Feb 21 2006
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EXAMPLE
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If n=0, then n101 = 0101 (prime).
If n=42, then n101 = 42101 (prime).
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MATHEMATICA
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For[n = 0, n < 300, n++, If[PrimeQ[1000*n + 101], Print[n]]] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Feb 21 2006
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CROSSREFS
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Sequence in context: A047321 A033158 A032721 this_sequence A140504 A120131 A047437
Adjacent sequences: A105103 A105104 A105105 this_sequence A105107 A105108 A105109
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KEYWORD
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base,nonn
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 07 2005
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EXTENSIONS
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More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Feb 21 2006
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