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 A333398 #32 Mar 24 2020 12:03:25 %S A333398 0,-1,-3,-2,-5,-9,-7,-4,1,5,11,6,13,7,15,8,17,9,19,10,21,33,23,12,25, %T A333398 39,27,14,29,45,31,16,34,18,35,54,37,57,38,20,41,63,43,22,46,24,47,72, %U A333398 49,75,51,26,53,81,55,28,58,30,59,90,61,93,62,32,65,99,67 %N A333398 Partial sums of A333400. %C A333398 Conjecture: This is a permutation of the integers. %H A333398 Peter Kagey, <a href="/A333398/b333398.txt">Table of n, a(n) for n = 1..10000</a> %Y A333398 Cf. A333400. %K A333398 sign,look %O A333398 1,3 %A A333398 _Alec Jones_, Mar 18 2020