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A110787 Least palindrome which when appended to the n-th palindrome gives a prime. 1

%I #6 Dec 05 2013 19:57:04

%S 1,3,1,1,3,1,1,3,7,3,3,1,3,7,1,3,1,1,3,7,3,9,77,1,3,131,1,3,7,9,1,171,

%T 3,1,1,9,11,7,7,7,77,1,3,3,1,3,3,1,9,11,1,9,1,7,3,101,111,3,1,3,11,1,

%U 77,7,1,131,1,3,7,3,3,1,9,3,1,1,3,1,9,7,33,111,7,3,3,11,3,77,1,99,7,7,11,1,1

%N Least palindrome which when appended to the n-th palindrome gives a prime.

%C A002113(n) concatenated with a(n) is a prime. A110786(n) is that prime. - _Franklin T. Adams-Watters_, Oct 11 2006

%Y Cf. A110786.

%K base,easy,nonn

%O 1,2

%A _Amarnath Murthy_, Aug 12 2005

%E More terms from _Franklin T. Adams-Watters_, Oct 11 2006

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Last modified May 4 21:32 EDT 2024. Contains 372257 sequences. (Running on oeis4.)