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a(1) = 97 ( the smallest prime beginning with 9) and then the smallest prime with leading digits containing a(n-1).
1

%I #5 Mar 17 2024 23:37:57

%S 97,971,9719,971903,9719033,971903321,97190332117,971903321177,

%T 97190332117709,971903321177093,97190332117709317,971903321177093171,

%U 97190332117709317147,9719033211770931714763,971903321177093171476321,97190332117709317147632157

%N a(1) = 97 ( the smallest prime beginning with 9) and then the smallest prime with leading digits containing a(n-1).

%Y Cf. A068849, A068850, A068851.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Mar 12 2002

%E More terms from _Sean A. Irvine_, Mar 17 2024