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A082806
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Palindromes which are prime and the sum of the digits is also prime.
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3
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2, 3, 5, 7, 11, 101, 131, 151, 191, 313, 353, 373, 757, 797, 919, 10301, 10501, 11311, 12721, 13331, 13931, 14341, 14741, 15551, 16361, 16561, 18181, 19391, 19991, 30103, 30703, 31513, 32323, 33533, 34543, 35153, 35353, 35753, 36563, 38183
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Most of the initial palindromic primes are members.
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EXAMPLE
| E.g. 12721 is a palindromic prime and 1+2+7+2+1 = 13 is also prime.
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MATHEMATICA
| Select[ Range[390000], PrimeQ[ # ] && FromDigits[ Reverse[ IntegerDigits[ # ]]] == # && PrimeQ[ Plus @@ IntegerDigits[ # ]] & ] (* Robert G. Wilson v, Jun 17 2003 *)
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CROSSREFS
| Cf. A002385.
Subsequence of A083393. [Arkadiusz Wesolowski, Sep 14 2011]
Sequence in context: A083139 A088562 A083712 * A157868 A109574 A084837
Adjacent sequences: A082803 A082804 A082805 * A082807 A082808 A082809
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KEYWORD
| base,nonn
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AUTHOR
| Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 20 2003
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EXTENSIONS
| Corrected and extended by Giovanni Resta, Feb 07 2006
Edited by N. J. A. Sloane at the suggestion of Andrew Plewe, May 14 2007
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