The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #5 Mar 30 2012 18:35:23
%S 2,3,5,7,23,27,35,37,53,57,73,75,213,235,357,373,513,535,573,737,753,
%T 3513
%N Every prefix and suffix prime in base 8 (written in base 8).
%K nonn,base,fini,full
%O 1,1
%A _David W. Wilson_