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Numbers k such that 0 and 4 occur juxtaposed in the base-9 representation of k but not of k-1.
0

%I #9 Aug 23 2021 01:05:37

%S 36,85,117,166,198,247,279,324,360,409,441,490,522,571,603,652,684,

%T 733,765,814,846,895,927,976,1008,1053,1089,1138,1170,1219,1251,1300,

%U 1332,1381,1413,1462,1494,1543,1575,1624,1656,1705

%N Numbers k such that 0 and 4 occur juxtaposed in the base-9 representation of k but not of k-1.

%Y Cf. A007095.

%K nonn,base

%O 1,1

%A _Clark Kimberling_