%I A032737
%S A032737 5620,7358,13308,13332,13650,14612,26302,27971,28472,28838,29542,29650,
%T A032737 31328,33027,33170,35914,35970,36186,39608,40078,41165,41528,42422,
%U A032737 44657,47172,47382,48046,48052,48454,50774,52735,55553,60222
%N A032737 a(n) cannot be prefixed or followed by any digit to form a prime ('empty' 
               postfixes allowed).
%C A032737 a(n) itself cannot be a prime to start with.
%e A032737 55553 prefixed with a digit from (1,2,3,4,5,6,7,8,9) and followed by 
               a digit from ('',1,3,7,9) never yields a prime: '3'55553'_' = 11 
               x 32323; '2'5620'9' = 3 x 41 x 2083.
%Y A032737 Cf. A032682-A032685 and A032702-A032733.
%Y A032737 Sequence in context: A126784 A071813 A074242 this_sequence A058003 A014799 
               A031663
%Y A032737 Adjacent sequences: A032734 A032735 A032736 this_sequence A032738 A032739 
               A032740
%K A032737 nonn,base
%O A032737 0,1
%A A032737 Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.