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 A109178 #5 Nov 21 2013 12:48:43 %S A109178 76540231,76532041,76524031,76523401,76520341,76514203,76512043, %T A109178 76504321,76504231,76503241,76502143,76501423,76453021,76451203, %U A109178 76435201,76425103,76421053,76401253,76345201,76340521,76325401 %N A109178 Largest eight-digit primes (in decreasing order) which use each of 0-to-7 decimal digits exactly once. %C A109178 There are exactly 2668 eight-digit primes using digits 0-to-7 exactly once, here the largest ones are given; cf. A109177 with the smallest ones. %t A109178 Sort[Take[FromDigits/@Select[Permutations[Range[0,7]],First[#]!=0 && PrimeQ[ FromDigits[#]]&],-50],#1>#2&] (* _Harvey P. Dale_, Aug 16 2011 *) %Y A109178 Cf. A109177. %K A109178 base,nonn %O A109178 1,1 %A A109178 _Zak Seidov_, Jun 21 2005