|
%I #4 Dec 05 2013 19:56:16
%S 7,1,29,3,9,73,39,3,443,547,41,913,417,219,149,3289,237,4503,1559,
%T 4297,8747,3003,4213,7163,1147,851,957,5589,6819,3931,30653,6157,453,
%U 8009,2899,26393,15651,81763,11549,101277,17929,130631,10023,10293,139197
%N a(1) = 7 then the smallest number such that the forward as well as the reverse n-th partial concatenation is a prime for n>1. (Reverse concatenation is taken term-wise and not digit-wise).
%Y Cf. A083992, A083993.
%K base,nonn
%O 0,1
%A _Amarnath Murthy_, May 23 2003
%E More terms from _Ray Chandler_, Aug 03 2003
|
