login
Numbers n such that string 4,6 occurs in the base 7 representation of n but not of n+1.
0

%I #5 Mar 30 2012 18:56:45

%S 34,83,132,181,230,244,279,328,377,426,475,524,573,587,622,671,720,

%T 769,818,867,916,930,965,1014,1063,1112,1161,1210,1259,1273,1308,1357,

%U 1406,1455,1504,1553,1602,1616,1651,1714,1749,1798

%N Numbers n such that string 4,6 occurs in the base 7 representation of n but not of n+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_