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A110435 Beginning with 11, least number such that every partial concatenation is a prime. 0

%I #6 Dec 05 2013 19:57:03

%S 11,3,11,1,3,3,53,13,39,9,3,21,53,79,11,19,59,27,49,21,23,211,153,189,

%T 3,161,121,167,183,193,77,21,349,107,129,343,119,241,143,37,77,31,159,

%U 183,531,1517,7,59,159,123,9,1513,203,343,59,9,999

%N Beginning with 11, least number such that every partial concatenation is a prime.

%C As n tends to infinity, does everyy term in A045572 arise infinitely many often and with same frequency? - _Stefan Steinerberger_, Feb 05 2006

%F a(n)=A092528(n+1), n>1. [From _R. J. Mathar_, Aug 18 2008]

%e 11,113,11311,113111,1131113,11311133 are all prime.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Aug 03 2005

%E More terms from _Stefan Steinerberger_, Feb 05 2006

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)