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 A367959 #18 Jun 10 2024 00:03:11
%S A367959 2,3,0,1,2,9,8,9,0,2,3,0,7,2,9,4,8,7,3,4,6,3,0,4,0,0,2,3,4,3,4,4,2,7,
%T A367959 1,7,8,1,7,8,1,4,6,5,1,6,5,1,6,3,8,2,6,6,5,9,7,2,8,3,9,8,0,3,0,9,3,5,
%U A367959 6,6,0,1,3,8,0,3,0,4,9,9,9,8,4,8,0,0,5,2,2,4,4,3,5
%N A367959 Decimal expansion of sinh(Pi/2).
%F A367959 Equals (Pi/2) * A308716 = A308715 - A049006.
%F A367959 Equals Product_{k>=1} (4*k^2+1)/(4*k^2-1). - _Amiram Eldar_, Dec 11 2023
%e A367959 2.301298902307294873463040...
%p A367959 evalf(sinh(Pi/2)) ;
%t A367959 First[RealDigits[Sinh[Pi/2],10,100]] (* _Paolo Xausa_, Dec 06 2023 *)
%o A367959 (PARI) sinh(Pi/2) \\ _Amiram Eldar_, Dec 11 2023
%Y A367959 Cf. A308716, A308715, A049006.
%K A367959 cons,nonn
%O A367959 1,1
%A A367959 _R. J. Mathar_, Dec 06 2023