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a(1) = 7; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n).
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%I #5 Dec 05 2013 19:56:21

%S 7,71,173,3719,91733,3371947,749173303,3033719477,774917330303,

%T 30303371947759,957749173303031,13030337194775911,1195774917330303119,

%U 9113030337194775911093,390119577491733030311941

%N a(1) = 7; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n).

%e a(2) = 71, a(3) is the smallest prime beginning with 17 and is 173.

%Y Cf. A087388, A087389, A087391.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Sep 09 2003

%E More terms from _David Wasserman_, May 25 2005