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%I #8 Aug 13 2024 14:36:18
%S 14612,27971,29289,33170,36186,38327,39608,40078,41165,41528,43277,
%T 44657,47382,55553,55791,58899,60806,62318,63056,65970,66818,70558,
%U 73851,80477,81167,83986,86145,89072,89280,90379,91538,93160,96222
%N a(n) cannot be prefixed or followed by any digit to form a prime ('empty' prefixes allowed).
%e 60806 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: '_'60806'3' = 43 x 79 x 179; '1'14612'3' = 3^3 x 11 x 17 x 227.
%Y Cf. A032682-A032685 and A032702-A032733.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, May 15 1998
%E Offset changed by _Andrew Howroyd_, Aug 13 2024