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A106718 Smallest of five consecutive primes whose sum of digits is prime. 0
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 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

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.

CROSSREFS

Sequence in context: A199946 A142800 A115438 * A119779 A118579 A192725

Adjacent sequences:  A106715 A106716 A106717 * A106719 A106720 A106721

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), May 14 2005

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Last modified February 17 03:30 EST 2012. Contains 205978 sequences.