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A082770 a(n) = smallest palindromic prime that begins with A082768(n) and contains more than twice the number of digits in A082768(n), or 0 if no such number exists. 2

%I #5 Dec 05 2013 19:56:13

%S 101,313,727,919,10301,11311,12421,13331,14341,15451,16061,17471,

%T 18181,19391,30103,31013,32323,33533,34543,35053,36263,37273,38083,

%U 39293,70207,71317,72227,73037,74047,75557,76367,77377,78487,79397,90709

%N a(n) = smallest palindromic prime that begins with A082768(n) and contains more than twice the number of digits in A082768(n), or 0 if no such number exists.

%C Conjecture: no entry is zero. In most cases the number of digits required is 2k+1 where k is the number of digits in A082768(n). What is the first entry that requires more (than 2k+1) digits?

%C Answer to question: A082768(37) = 92, a(37) = 9200029. - _David Wasserman_, Jul 28 2005

%Y Cf. A082768, A082769.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Apr 18 2003

%E More terms from _David Wasserman_, Jul 28 2005

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Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)