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 A050979 #15 Feb 16 2025 08:32:41 %S A050979 1,1,2,4,1,2,3,4,10,2,12,4,2,16,3,3,4,10,22,2,4,12,9,7,4,15,4,10,16,6, %T A050979 9,3,12,4,40,6,10,12,22,23,2,4,16,12,26,9,20,3,7,29,4,60,15,8,12,10, %U A050979 66,16,22,70,6,24,9,4,6,12,78,4,27,40,41,16,6,7,10,88,12,22,15,23,12 %N A050979 Haupt-exponents of 7 modulo integers relatively prime to 7. %H A050979 R. J. Mathar, <a href="/A050979/b050979.txt">Table of n, a(n) for n = 1..8571</a> %H A050979 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MultiplicativeOrder.html">Multiplicative Order</a> %Y A050979 Cf. A002326 (base 2), A002329, A050977 (base 5), A053450. %K A050979 nonn %O A050979 1,3 %A A050979 _Eric W. Weisstein_