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a(1) = 7, a(n) = smallest palindromic prime obtained by inserting digit anywhere in a(n-1).
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%I #16 Sep 20 2019 07:53:19

%S 7,373,30703,3007003,302070203,30207570203,3062075702603,

%T 306020757020603,30602075057020603,3060320750570230603,

%U 300603207505702306003,30060320275057202306003,3006032021750571202306003,300603202127505721202306003,30046032021275057212023064003

%N a(1) = 7, a(n) = smallest palindromic prime obtained by inserting digit anywhere in a(n-1).

%H Giovanni Resta, <a href="/A082624/b082624.txt">Table of n, a(n) for n = 1..315</a>

%Y Cf. A002385, A082620, A082621, A082622, A082623.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 29 2003

%E More terms from _Giovanni Resta_, Sep 20 2019