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 A355459 #13 Nov 19 2022 12:32:04 %S A355459 0,1,-2,-3,-4,-5,6,7,8,7,10,11,12,13,18,17,16,15,18,19,20,21,-22,-23, %T A355459 -24,-23,-26,-27,-28,-29,-34,-33,-32,-33,-30,-29,-28,-27,-38,-39,-40, %U A355459 -39,-42,-43,-44,-45,-50,-49,-48,-47 %N A355459 Real part of the Heighway/harter dragon curve points which are on the real axis. %C A355459 This sequence gives the values A332383(k) when A332384(k) = 0. - _Rémy Sigrist_, Oct 04 2022 %H A355459 Rémy Sigrist, <a href="/A355459/a355459.gp.txt">PARI program</a> %o A355459 (PARI) See Links section. %Y A355459 Cf. A246960, A332383, A332384, A355460. %K A355459 sign %O A355459 0,3 %A A355459 _Reed Michael Upson_, Jul 02 2022