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 A387193 #12 Aug 21 2025 11:15:08 %S A387193 3,0,4,2,4,2,1,7,7,6,4,4,0,9,3,8,6,4,2,0,2,0,3,4,9,1,2,8,1,7,7,0,4,9, %T A387193 2,3,9,6,9,6,5,0,5,3,4,7,8,3,8,9,1,0,0,3,2,3,8,2,1,2,3,4,9,9,5,8,1,0, %U A387193 9,4,6,6,3,2,1,4,7,5,4,9,3,4,9,0,3,7,3,9,6,4,4,8,7,3,4,5,2,3,8,5,7,1,7,4,1,7,8,1,7,0,6,0,6,9,3,3,3,9 %N A387193 Decimal expansion of the absolute value of J_0(Pi), Bessel Function of the first kind of index 0 at A000796. %H A387193 Paolo Xausa, <a href="/A387193/b387193.txt">Table of n, a(n) for n = 0..10000</a> %e A387193 J_0(Pi) = -0.30424217764409386420203491281770492396965053.. %t A387193 First[RealDigits[BesselJ[0, Pi], 10, 100]] (* _Paolo Xausa_, Aug 21 2025 *) %Y A387193 Cf. A000796, A387194, A387195. %K A387193 nonn,cons,easy %O A387193 0,1 %A A387193 _R. J. Mathar_, Aug 21 2025