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 A236098 #13 Jun 06 2023 04:21:01 %S A236098 8,9,8,4,0,0,5,7,9,7,5,7,7,4,3,6,4,5,6,6,8,5,8,0,3,7,0,5,0,3,1,5,1,4, %T A236098 1,7,5,4,8,8,9,9,9,4,9,4,0,5,0,1,1,6,6,0,8,0,8,3,3,8,8,7,8,3,3,8,3,4, %U A236098 2,7,2,7,5,5,4,2,8,2,2,4,0,1,8,5,7,3,3,3,9,1,7,7,4,5,0,8,8,7,2,5,8,9,9,0,9 %N A236098 Decimal expansion of the real part of -Pi^(i*Pi). %C A236098 The imaginary part is in A236099. %H A236098 Stanislav Sykora, <a href="/A236098/b236098.txt">Table of n, a(n) for n = 0..10000</a> %F A236098 Equals -real(Pi^(i*Pi)) = -cos(Pi*log(Pi)) = -cos(A231736). %e A236098 0.898400579757743645668580370503151417548899949405011660808338878... %t A236098 RealDigits[Cos[Log[Pi]*Pi], 10, 120][[1]] (* _Amiram Eldar_, Jun 06 2023 *) %Y A236098 Cf. A000796, A053510, A073233, A231736, A236099, A236100, A236101. %K A236098 nonn,cons,easy %O A236098 0,1 %A A236098 _Stanislav Sykora_, Jan 19 2014