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 A377480 #5 Oct 31 2024 01:37:50 %S A377480 9,4,1,6,8,0,4,5,8,1,9,3,2,6,3,9,0,7,2,7,3,2,3,9,5,1,1,9,3,8,1,4,2,6, %T A377480 6,9,2,0,4,9,5,4,5,6,0,6,2,5,0,1,2,5,4,7,7,1,7,7,5,1,5,4,8,8,2,7,7,6, %U A377480 5,8,3,8,9,1,5,3,1,5,4,4,2,4,5,5,8,7,6,7,8,4,3,1,0,8,1,4,1,8,3,4 %N A377480 Decimal expansion of abs(cos(A377479)). %C A377480 The absolute value of the y-coordinate of the tangent point between the cosine graph and the straight line through the origin. %e A377480 0.94168045819326390727323951193814... %t A377480 ndigits=100; First[RealDigits[Cos[First[x/.NSolve[Cos[x]+x Sin[x]==0,x,ndigits]]],10,ndigits]] %Y A377480 Cf. A377479, A377481. %K A377480 nonn,cons %O A377480 0,1 %A A377480 _Stefano Spezia_, Oct 29 2024