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 A077032 #16 Mar 19 2024 03:17:53 %S A077032 3,4,137,5023,5024,5025,5030,5031,5032 %N A077032 Numbers k such that A068340(k)=+/-4. %C A077032 Any subsequent terms are > 10^12. - _Lucas A. Brown_, Mar 18 2024 %H A077032 Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/A076542.py">Python program</a>. %o A077032 (PARI) isok(k) = abs(sum(i=1, k, i*moebius(i))) == 4; \\ _Michel Marcus_, Jan 14 2023 %Y A077032 Cf. A068340, A076542, A077030, A077031, A077033. %K A077032 nonn,more,hard %O A077032 1,1 %A A077032 _Zak Seidov_, Oct 21 2002