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Smallest number that on prefixing with the n-th term of A088265 yields prime.
2

%I #4 Dec 05 2013 19:56:33

%S 2,1,3,4,5,1,5,1,2,1,6,9,18,9,5,4,2,7,3,1,6,3,11,9,20,6,32,16,11,13,

%T 11,1,6,15,6,21,18,1,5,13,14,1,6,18,15,9,12,3,50,19,56,12,9,3,5,66,27,

%U 1,8,24,11,9,11,13,24,79,3,43,26,19,11,4,39,3,45,9,11,6,6,15,2,1,41,18,5,19

%N Smallest number that on prefixing with the n-th term of A088265 yields prime.

%e a(13) = 18 as A088265(13) = 10001 and 1810001 is a prime while 110001, 210001 to 1710001 are all composite.

%Y Cf. A088265, A088267.

%K base,nonn

%O 0,1

%A _Amarnath Murthy_, Sep 28 2003

%E More terms from _David Wasserman_, Jul 28 2005