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 A050976 #9 Feb 16 2025 08:32:41 %S A050976 1,2,3,3,5,6,2,4,9,3,11,10,9,14,5,5,6,18,6,10,7,6,23,21,4,26,10,9,29, %T A050976 30,3,6,33,11,35,9,10,15,39,27,41,4,14,11,6,5,18,24,15,50,51,6,53,18, %U A050976 18,14,22,6,12,55,10,50,7,7,65,9,18,34,69,23,30,14,21,74,15,12,10,26 %N A050976 Haupt-exponents of 4 modulo integers relatively prime to 4. %H A050976 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MultiplicativeOrder.html">Multiplicative Order.</a> %Y A050976 Cf. A002326, A002329. Presumably this is a duplicate of A053447. %K A050976 nonn %O A050976 1,2 %A A050976 _Eric W. Weisstein_