A044642 - OEIS

%I #8 Jan 13 2026 13:38:57

%S 10,98,172,253,334,415,496,577,658,739,890,901,982,1063,1144,1225,

%T 1306,1387,1468,1556,1630,1711,1792,1873,1954,2035,2116,2197,2285,

%U 2359,2440,2521,2602,2683,2764,2845,2926,3014,3088

%N Numbers k such that string 1,1 occurs in the base 9 representation of k but not of k+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_