A069632 - cp's OEIS frontend

A069632 a(1) = 5; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

%I A069632 #3 Dec 05 2013 19:55:16
%S A069632 5,53,353,3533,33533,3353303,123353303,12335330333,1112335330333,
%T A069632 111233533033313,39111233533033313,3911123353303331323,
%U A069632 63911123353303331323,6391112335330333132331,26391112335330333132331
%N A069632 a(1) = 5; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).
%Y A069632 Cf. A069614 to A069621, A069628 to A069636.
%K A069632 nonn,base
%O A069632 1,1
%A A069632 _Amarnath Murthy_, Mar 27 2002
%E A069632 Edited and extended by _Robert G. Wilson v_, Apr 03 2002

cp's OEIS Frontend

A069632 a(1) = 5; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).