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 A195782 #16 Nov 21 2024 08:11:04
%S A195782 1,2,4,3,5,4,9,9,4,5,4,6,7,6,1,4,3,5,0,3,1,3,5,4,8,4,9,1,6,3,8,7,1,0,
%T A195782 2,5,5,7,3,1,7,0,1,9,1,7,6,9,8,0,4,0,8,9,9,1,5,1,1,4,1,1,9,1,1,5,7,2,
%U A195782 2,2,6,7,4,2,7,5,6,6,7,5,8,6,2,3,7,1,0,5,9,4,3,1,3,3,5,3,3,3,0,3
%N A195782 Decimal expansion of arccot(8).
%H A195782 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A195782 Equals Integral_{x = 0..inf} exp(-8*x)*sin(x)/x dx. - _Peter Bala_, Nov 05 2019
%F A195782 Equals arctan(1/8) = arcsin(1/sqrt(65)) = arccos(8/sqrt(65)). - _Amiram Eldar_, May 24 2021
%e A195782 arccot(8)=0.124354994546761435031354849163871025573170...
%t A195782 (See A195781.)
%t A195782 RealDigits[ArcCot[8],10,120][[1]] (* _Harvey P. Dale_, Nov 09 2014 *)
%o A195782 (PARI) atan(1/8) \\ _Charles R Greathouse IV_, Nov 21 2024
%Y A195782 Cf. A195781.
%K A195782 nonn,cons
%O A195782 0,2
%A A195782 _Clark Kimberling_, Sep 24 2011