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A088640 Smallest number suffixed to concatenation of n times n gives a prime. 1

%I

%S 1,3,1,9,7,29,1,3,7,39,1,23,1,97,1,91,37,59,9,93,19,97,61,293,61,3,1,

%T 57,7,43,61,7,53,31,127,353,67,841,187,9,3,179,429,127,97,3,319,11,51,

%U 39,191,33,3,41,7,39,47,73,81,401,57,441,571,957,997,1,19,291,173,9,417

%N Smallest number suffixed to concatenation of n times n gives a prime.

%e a(6) = 29 and 66666629 is prime.

%Y Cf. A088639.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_, Oct 27 2003

%E More terms from _Ray Chandler_, Nov 01 2003

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Last modified May 25 17:53 EDT 2020. Contains 334595 sequences. (Running on oeis4.)