A092992 - OEIS

%I #5 Dec 05 2013 19:56:46

%S 2221,31,555555555551,71,1111111111111111111,131,

%T 1717171717171717171717171717171,191,2323231,29292929291,311,

%U 3737373737373737373737371,41411,431

%N Smallest prime of the form concatenation of prime(n) with itself followed by a 1.

%C Next prime, if it exists, is > 10^70. - _Sam Alexander_, Jan 09 2005

%Y Cf. A092993, A092994, A092995.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Mar 28 2004

%E More terms from _Sam Alexander_, Jan 09 2005