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 A267195 #9 May 14 2017 11:19:40 %S A267195 0,12,-15,20,-32,30,66,-96,-160,255,-960,-5280,-640320 %N A267195 The j-invariants in A032354 are perfect cubes, except for two terms that have an extra factor of 2 or 3. Ignore these two extra factors and take the cube roots. %D A267195 H. Cohn, Introduction to the Construction of Class Fields, Cambridge; p. 183. %Y A267195 Cf. A032354, A133675. %K A267195 sign,fini,full %O A267195 1,2 %A A267195 _N. J. A. Sloane_, Jan 27 2016