A158917 - OEIS

%I #3 Mar 31 2012 10:26:14

%S 3719,3917,7193,9173,17393,17939,19793,19973,31799,37199,37991,39371,

%T 39791,71399,79319,91397,93971,99173,99317,99713,113797,117193,119773,

%U 131797,133379,137993,139397,171937,177319,179173,179939,191137,191173,193337,193799,193937,199337,199739

%N Emirps using each of the digits 1, 3, 7, 9 at least once, but no others.

%F A006567 INTERSECT A108386.

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, Mar 30 2009

%E 137993, 171937, 179939 etc. inserted by _R. J. Mathar_, Apr 04 2009