%I #5 Mar 30 2012 18:35:23
%S 0,1,2,3,4,5,6,40,41,42,43,44,45,46,410,411,412,413,414,415,416,450,
%T 451,452,453,454,455,456,4120,4121,4122,4123,4124,4125,4126,4160,4161,
%U 4162,4163,4164,4165,4166,4530,4531,4532,4533,4534,4535,4536,41200,41201
%N n written in fractional base 7/4.
%F To represent a number in base b, if a digit exceeds b, subtract b and carry 1. In fractional base a/b, subtract a and carry b.
%K nonn,base
%O 0,3
%A _David W. Wilson_