A265541 - OEIS

%I #6 Dec 09 2015 21:43:31

%S 0,1,2,3,4,5,6,7,8,8,10,10,10,10,10,10,10,10,10,10,20,20,20,20,20,20,

%T 20,20,20,20,30,30,30,30,30,30,30,30,30,30,40,40,40,40,40,40,40,40,40,

%U 40,50,50,50,50,50,50,50,50,50,50,60,60,60,60,60,60,60,60,60,60,70,70,70,70,70,70,70,70,70,70,80,80

%N Largest base-9 palindrome m <= n, written in base 10.

%Y Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

%K nonn,base

%O 0,3

%A _N. J. A. Sloane_, Dec 09 2015