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%I #19 Jul 14 2021 07:43:45
%S 4,7,11,101,313,727,10301,30103,70207,1003001,3001003,7014107,
%T 100030001,300020003,700020007,10000500001,30000500003,70005450007,
%U 1000008000001,3000002000003,7000005000007,100000323000001,300000020000003,700000141000007,10000000500000001,30000000800000003,70000002820000007
%N Record gaps between palindromic primes (upper end) (compare A327428, which gives lower ends of these gaps).
%C This sequence is infinite if there exist infinitely many palindromic primes (see comment in A327427).
%Y Cf. A000101, A002385, A327427, A327428.
%K nonn,base
%O 1,1
%A _Chai Wah Wu_, Sep 09 2019
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