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