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%I #23 Jul 11 2023 08:11:26
%S 2,4,4,9,7,8,6,6,3,1,2,6,8,6,4,1,5,4,1,7,2,0,8,2,4,8,1,2,1,1,2,7,5,8,
%T 1,0,9,1,4,1,4,4,0,9,8,3,8,1,1,8,4,0,6,7,1,2,7,3,7,5,9,1,4,6,6,7,3,5,
%U 5,1,1,9,5,8,7,6,4,2,0,9,6,5,7,4,5,3,4,1,5,7,6,6,8,7,0,1,9,9,1,3
%N Decimal expansion of arccot(4).
%H G. C. Greubel, <a href="/A195727/b195727.txt">Table of n, a(n) for n = 0..10000</a>
%F Equals Integral_{x >= 0} exp(-4*x)*sin(x)/x dx. - _Peter Bala_, Nov 05 2019
%F Equals arcsin(1/sqrt(17)) = arccos(4/sqrt(17)) = arctan(1/4). - _Amiram Eldar_, Jul 11 2023
%e arccot(4) = 0.24497866312686...
%t (See A195628.)
%t RealDigits[ArcCot[4],10,120][[1]] (* _Harvey P. Dale_, Jan 09 2015 *)
%o (PARI) atan(1/4) \\ _G. C. Greubel_, Aug 20 2018
%o (Magma) SetDefaultRealField(RealField(100)); Arccot(4) // _G. C. Greubel_, Aug 20 2018
%Y Cf. A195628.
%K nonn,cons
%O 0,1
%A _Clark Kimberling_, Sep 23 2011
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