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Search: id:A106722
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| A106722 |
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Smallest of seven consecutive primes whose sum of digits is prime. |
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1
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| 3251, 3253, 4133, 4373, 4391, 14293, 14303, 14321, 27073, 27077, 34183, 67169, 102071, 102983, 106103, 106109, 110597, 200041, 200063, 200087, 210011, 210019, 210031, 231719, 243011, 250051, 302873, 314591, 388837, 402131, 431731, 549977
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OFFSET
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1,1
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EXAMPLE
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a(1)=3251 is a term because this is smallest of seven consecutive primes i.e. 3251,3253,3257,3259,3271,3299 and 3301, whose sum of digits is prime i.e. 3+2+5+1=11, 3+2+5+3=13, 3+2+5+7=17, 3+2+5+9=19, 3+2+7+1=13, 3+2+9+9=23 and 3+3+0+1=7.
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CROSSREFS
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Sequence in context: A118212 A048421 A031645 this_sequence A031555 A106723 A031735
Adjacent sequences: A106719 A106720 A106721 this_sequence A106723 A106724 A106725
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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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