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 A274107 #13 Jul 03 2016 14:25:55 %S A274107 0,0,1,2,0,13,-1,-9,4,8,0,13,8,0,49,17,-9,34,-7,-33,10,-13,-39,28,-4, %T A274107 -30,13,26,0,43,20,-6,61,29,3,46,32,6,49,26,0,157,71,-9,124,29,-51,82, %U A274107 5,-75,130,44,-36,97,-25,-105,28,-49,-129,76,-10,-90,43,-25,-105,28,-49,-129,100,14,-66 %N A274107 (Balanced ternary representation of n) - (reversed balanced ternary representation of n). %C A274107 This is A117966(n) - A134028(n). %C A274107 As the graph shows, there are large jumps at places where either A117966 or A134028 has a discontinuity, that is, at values of n which are a power of 3 times 1, 1.5, or 2. - _N. J. A. Sloane_, Jul 03 2016 %H A274107 N. J. A. Sloane, <a href="/A274107/b274107.txt">Table of n, a(n) for n = 0..10000</a> %Y A274107 Cf. A117966, A134028. %K A274107 sign,look,base %O A274107 0,4 %A A274107 _N. J. A. Sloane_, Jun 16 2016