A044027 - OEIS

%I #9 Aug 29 2021 01:55:31

%S 46,64,146,164,246,264,346,364,446,469,546,564,649,664,746,764,846,

%T 864,946,964,1046,1064,1146,1164,1246,1264,1346,1364,1446,1469,1546,

%U 1564,1649,1664,1746,1764,1846,1864,1946,1964,2046

%N Numbers k such that 4 and 6 occur juxtaposed in the base-10 representation of k but not of k+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_