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 A367712 #6 Nov 28 2023 08:50:09
%S A367712 3,7,4,9,2,5,9,5,6,2,4,3,3,1,0,0,5,4,3,3,7,9,0,6,5,1,3,8,8,4,3,5,0,5,
%T A367712 1,3,6,0,3,9,7,4,8,9,3,4,8,0,9,0,1,8,6,9,0,6,2,4,3,7,7,8,6,7,7,8,2,4,
%U A367712 4,1,2,9,6,2,9,4,7,3,6,0,9,0,5,2,8,7,5,7,2,0,7,8,9,9,7,0,9,5,8,8
%N A367712 Decimal expansion of BesselJ(0,2*sqrt(3)) (negated).
%F A367712 Equals Sum_{k>=0} (-3)^k / k!^2.
%e A367712 -0.37492595624331005433790651388435...
%t A367712 RealDigits[BesselJ[0, 2 Sqrt[3]], 10, 100][[1]]
%Y A367712 Cf. A091681, A092554, A367709, A367710.
%K A367712 nonn,cons
%O A367712 0,1
%A A367712 _Ilya Gutkovskiy_, Nov 28 2023