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Primes which are the reverse concatenation of five consecutive odd numbers.
0

%I #2 Oct 02 2013 15:47:25

%S 15131197,4139373533,4543413937,7573716967,7775737169,10199979593,

%T 111109107105103,119117115113111,215213211209207,219217215213211,

%U 245243241239237,255253251249247,309307305303301,317315313311309

%N Primes which are the reverse concatenation of five consecutive odd numbers.

%e The first term is 15131197 which is a prime and is the reverse concatenation of 7,9,11,13 and 15 which are five consecutive odd numbers.

%K base,nonn

%O 1,1

%A _Shyam Sunder Gupta_, Apr 17 2005