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 A106214 #4 Mar 30 2012 18:36:45 %S A106214 9,21,27,48,51,72,75,81,96,105,114,117,123,126,132,135,147,156,159, %T A106214 177,180,189,198,201,207,222,234,252,255,264,273,288,291,294,309,315, %U A106214 324,339,357,360,378,387,393,399,402,432,438,444,450,456 %N A106214 Positions n where A083349(n) = 2 (mod 3). %C A106214 A083349 is the minimal permutation of the positive integers having a self-convolution cube-root. %F A106214 a(n) = 0 (mod 3) for n>=0. %Y A106214 Cf. A083349, A106213, A083350. %K A106214 nonn %O A106214 0,1 %A A106214 _Paul D. Hanna_, May 01 2005