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%I #16 Apr 03 2023 22:12:20
%S 1,8,6,2,2,9,5,7,4,3,3,1,0,8,4,8,2,1,9,8,8,8,3,6,1,3,2,5,1,8,2,6,2,0,
%T 5,7,4,9,0,2,6,7,4,1,8,4,9,6,1,5,5,4,7,6,5,6,1,2,8,7,9,5,1,4,4,2,3,7,
%U 3,6,5,4,5,7,3,5,7,9,8,0,0,2,9,5,1,8,7,1,9,9,7,0,1,5,6,6,1,4,6,3,3,4,5,8,5
%N Decimal expansion of arcsinh(Pi).
%F Equals log(Pi + sqrt(Pi^2 + 1)).
%F Equals Pi*Integral_{x=0..1} 1/sqrt((Pi^2)*x^2 + 1) dx.
%e 1.862295743310848219888361325182620574902674184961554765612879514423...
%t RealDigits[ArcSinh[Pi], 10, 105][[1]]
%o (PARI) asinh(Pi) \\ _Michel Marcus_, Feb 26 2023
%Y Cf. A359540, A361518, A361519.
%K cons,nonn
%O 1,2
%A _Wolfe Padawer_, Feb 26 2023
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