%I #8 Sep 30 2013 17:01:15
%S 1110000,810000,8100000,81000000,81000000,111000000,111000000,
%T 81000000,81000000,810000000,810000000,1110000000,810000000,810000000,
%U 810000000,810000000,810000000,1110000000,1110000000,810000000,810000000,810000000,1110000000,1110000000
%N Common difference in sets of 5 consecutive palindromic primes (palprimes) in arithmetic progression.
%e a(2)=810000 since (16831813861, 16832623861, 16833433861, 16834243861, 16835053861) is the second arithmetic progression of 5 consecutive palindromic primes with common difference = 810000.
%Y Cf. A059122.
%K nonn,base
%O 1,1
%A _Shyam Sunder Gupta_, Sep 29 2013