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 A374795 #7 Aug 02 2024 19:16:48 %S A374795 1,3,3,3,4,5,5,6,5,7,7,7,7,7,9,7,8,9,9,9,9,10,9,11,9,11,11,11,11,11, %T A374795 11,11,11,11,13,11,12,13,13,13,13,13,13,14,13,15,13,15,13,15,15,15,15, %U A374795 15,15,15,15,15,15,15,15,15,17,15,16 %N A374795 The minimum diameter of a chordal ring mixed graph with 2*n vertices. %C A374795 Let N >= 2 and c(< N ) be, respectively, even and odd numbers. The chordal ring mixed graph CRM(N, c) is a mixed graph with vertex set V = Z_N (all arithmetic is modulo N ), with arcs i -> i + 1 (forming a directed cycle) and edges i ∼ i + c if i is even (and, hence, i ∼ i - c if i is odd, forming the ‘chords’). %Y A374795 Cf. A373503. %K A374795 nonn %O A374795 2,2 %A A374795 _Miquel A. Fiol_, Jul 20 2024