A265552 - OEIS

%I #4 Dec 10 2015 10:32:55

%S 0,1,2,3,4,5,6,8,8,16,24,32,40,48,16,16,16,24,32,40,48,24,24,24,24,32,

%T 40,48,32,32,32,32,32,40,48,40,40,40,40,40,40,48,48,48,48,48,48,48,48,

%U 50,50,100,150,200,250,300,57,57,107,157,207,257,307,64,64,114,164,214,264,314,71,71,121,171,221,271,321

%N a(n) = smallest base-7 palindrome m >= n such that every base-7 digit of n is <= the corresponding digit of m; m is 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 10 2015