This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A068654 #6 Dec 05 2013 19:55:12 %S A068654 19,23,29,41,43,47,53,59,61,67,83,89,109,137,139,151,167,179,193,211, %T A068654 223,227,229,233,239,241,251,257,263,269,281,283,293,347,349,353,383, %U A068654 389,401,409,421,431,433,439,443,449,457,461,463,467,487,499,503,509 %N A068654 Prime numbers such that every cyclic permutation (other than the number itself) is composite. %e A068654 167 is a member as the two cyclic permutations other than the number itself i.e. 671 and 716 are composite. %t A068654 Select[Prime[Range[100]],Union[PrimeQ[FromDigits/@Table[ RotateRight[ IntegerDigits[#],i],{i,IntegerLength[#]-1}]]]=={False}&] (* _Harvey P. Dale_, Dec 08 2012 *) %Y A068654 Cf. A003459, A068652, A068653. %K A068654 base,nonn %O A068654 1,1 %A A068654 _Amarnath Murthy_, Feb 28 2002 %E A068654 Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 21 2002