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 A380736 #8 Feb 02 2025 04:24:46 %S A380736 6,5,9,2,6,9,1,5,3,9,2,6,2,1,5,8,3,9,5,6,1,7,2,6,9,5,9,0,8,1,5,4,1,6, %T A380736 4,5,6,1,8,7,8,0,2,5,1,0,3,9,0,0,5,6,7,1,3,9,2,0,0,3,6,6,2,6,1,3,2,9, %U A380736 9,7,1,6,1,5,7,2,3,8,8,7,2,8,2,7,9,0,8,1,9,4 %N A380736 Decimal expansion of the smallest vertex angle, in radians, in a disdyakis dodecahedron face. %C A380736 A disdyakis dodecahedron face is a scalene triangle with three acute angles. %H A380736 Paolo Xausa, <a href="/A380736/b380736.txt">Table of n, a(n) for n = 0..10000</a> %H A380736 Wikipedia, <a href="https://en.wikipedia.org/wiki/Disdyakis_dodecahedron">Disdyakis dodecahedron</a>. %F A380736 Equals arccos(1/12 + sqrt(2)/2) = arccos(1/12 + A010503). %F A380736 Equals Pi - A380737 - A380738. %e A380736 0.6592691539262158395617269590815416456187802510390... %t A380736 First[RealDigits[ArcCos[1/12 + Sqrt[2]/2], 10, 100]] %Y A380736 Cf. A380737 (face medium angle), A380738 (face largest angle). %Y A380736 Cf. A010503, A378393, A378712, A378713, A378714, A378715, A380734, A380735. %K A380736 nonn,cons,easy %O A380736 0,1 %A A380736 _Paolo Xausa_, Feb 01 2025