%I A020454
%S A020454 11,61,661,6661,11161,16111,16661,66161,111611,161611,611111,616111,
%T A020454 1111661,1611161,1616161,1616611,1661111,1661161,1666111,6111661,6116111,
%U A020454 6116161,6161161,6611611,6661111,6661661,11111161,11166611,11616611
%N A020454 Primes that contain digits 1 and 6 only.
%Y A020454 Sequence in context: A068846 A092164 A088545 this_sequence A009016 A052051 
               A162946
%Y A020454 Adjacent sequences: A020451 A020452 A020453 this_sequence A020455 A020456 
               A020457
%K A020454 nonn,base
%O A020454 1,1
%A A020454 David W. Wilson (davidwwilson(AT)comcast.net)