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Smallest palindromic prime having a sum of digits = prime(n), or 0 if no such number exists.
2

%I #16 Nov 07 2015 04:11:26

%S 2,3,5,7,191,373,13931,757,797,19991,77377,77977,79997,1987891,

%T 3799973,7977797,9889889,9989899,769797967,797898797,779999977,

%U 37898989873,39988988993,78899799887,99998989999,3799999999973,3998999998993

%N Smallest palindromic prime having a sum of digits = prime(n), or 0 if no such number exists.

%C Conjecture: no entry is zero.

%C Corresponds to first entry of A082806 with digit sum = n-th prime, A000040(n). - _Lekraj Beedassy_, May 23 2005

%H Chai Wah Wu, <a href="/A083184/b083184.txt">Table of n, a(n) for n = 1..35</a>

%Y Cf. A083183.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 26 2003.

%E Corrected and extended by _Patrick De Geest_, Jun 12 2003