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Search: id:A106718
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| A106718 |
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Smallest of five consecutive primes whose sum of digits is prime. |
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+0
1
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| 2, 311, 1091, 1291, 2063, 2069, 2551, 2557, 3163, 3251, 3253, 3257, 3259, 3659, 4133, 4139, 4153, 4373, 4391, 4397, 4409, 5413, 7079, 7103, 7411, 8597, 9833, 10079, 12071, 12073, 12301, 12433, 12437, 12983, 14293, 14303, 14321, 14323, 14327
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OFFSET
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1,1
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EXAMPLE
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a(2)=311 is a term because this is smallest of five consecutive primes i.e. 311,313,317,331 and 337, whose sum of digits is prime i.e. 3+1+1=5, 3+1+3=7, 3+1+7=11, 3+3+1=7 and 3+3+7=13.
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CROSSREFS
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Sequence in context: A132518 A142800 A115438 this_sequence A119779 A118579 A089775
Adjacent sequences: A106715 A106716 A106717 this_sequence A106719 A106720 A106721
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KEYWORD
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base,nonn
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AUTHOR
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Shyam Sunder Gupta (guptass(AT)rediffmail.com), May 14 2005
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