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 A337312 #10 Aug 22 2020 19:56:28 %S A337312 0,1,0,0,1,-1,2,-1,2,2,1,4,0,5,0,5,1,4,4,3,5,1,7,0,7,1,3,6,1,9,1,9,3, %T A337312 6,11,3,12,3,12,4,7,11,4,12,2,12,3,6,13,3,12,12,11,13,5,14,4,15,3,15, %U A337312 4,6,13,1,12,8,-1,9,-3,10,-3,10,-2,8,0,7,2,2,3 %N A337312 List of successive y-coordinates in the acute angled Babylonian spiral. %Y A337312 Cf. A256111, A337293, A337311. %K A337312 sign %O A337312 1,7 %A A337312 _John Bailey_, Aug 22 2020