This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A112867 #6 Mar 28 2014 21:23:06 %S A112867 0,1,10,10,11,100,100,101,100,100,101,110,110,111,1000,1000,1001,1000, %T A112867 1000,1001,1010,1010,1011,1000,1000,1001,1000,1000,1001,1010,1010, %U A112867 1011,1100,1100,1101,1100,1100,1101,1110,1110,1111,10000,10000,10001,10000 %N A112867 Greater of two ternary (base 3) numbers (each using only 0's and 1's, the latter's positions never coinciding) such that the decimal representation of their difference is n. %C A112867 Base 3 representation of A060372. For the smaller number see A112952. Any number is expressible as a unique combination of powers of 3 in the form +/- 3^0 +/- 3^1 +/- 3^2 +/- 3^3 +/- ...(Related to Bachet's Weight problem) %K A112867 nonn,base %O A112867 0,3 %A A112867 _Lekraj Beedassy_, Jan 12 2006