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A090921 Smallest prime of the form concatenation n, 2n, 3n,...kn and 1. 0

%I

%S 11,241,31,41,5101,61,71,8161,9181,101,1122334455661,12241,131,14281,

%T 151,1632481,17341,181,191,2040601,211,22441,234669921151,241,251

%N Smallest prime of the form concatenation n, 2n, 3n,...kn and 1.

%C Next term a(26) has 116 digits; k = 39 and is too large to include - _David Wasserman_, Feb 15 2006

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Dec 16 2003

%E More terms from _David Wasserman_, Feb 15 2006

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Last modified March 26 08:40 EDT 2023. Contains 361529 sequences. (Running on oeis4.)