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A083183 Smallest palindromic prime using only prime digits (2,3,5,7) and having a sum of digits = prime(n), or 0 if no such number exists. 2

%I

%S 2,3,5,7,353,373,33533,757,35753,75557,77377,3773773,325777523,

%T 327757723,357575753,32577577523,32777777723,35775757753,72777777727,

%U 3557577757553,3777727277773,3775777775773,7777573757777

%N Smallest palindromic prime using only prime digits (2,3,5,7) and having a sum of digits = prime(n), or 0 if no such number exists.

%C Conjecture: no entry is zero.

%H Chai Wah Wu, <a href="/A083183/b083183.txt">Table of n, a(n) for n = 1..39</a>

%Y Cf. A083184, A045336.

%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

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Last modified January 22 22:16 EST 2020. Contains 331166 sequences. (Running on oeis4.)