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 A341708 #11 Jun 02 2024 10:59:58 %S A341708 38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,15,16,17,18,19,20,21, %T A341708 22,23,24,25,26,27,28,29,30,38,39,40,41,42,43,44,45,46,47,48,49,50,51, %U A341708 52,53,169,170,171,172,173,174,175,176,177,178,179,180,181,182 %N A341708 Negative terms in A341707, in order of appearance (and negated). %o A341708 (PARI) \\ See A341707. %Y A341708 Cf. A341707. %K A341708 nonn,base %O A341708 1,1 %A A341708 _N. J. A. Sloane_, Feb 18 2021 %E A341708 More terms from _Jinyuan Wang_, Feb 18 2021