cp's OEIS Frontend

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.

A196932 Decimal expansion of sinh(1)*cosh(1).

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%I A196932 #26 Sep 08 2022 08:45:59
%S A196932 1,8,1,3,4,3,0,2,0,3,9,2,3,5,0,9,3,8,3,8,3,4,1,0,6,9,9,1,4,0,0,6,3,0,
%T A196932 8,5,2,4,4,3,1,7,1,0,0,6,1,6,0,5,6,7,8,6,0,6,5,4,7,4,2,2,3,7,4,6,7,1,
%U A196932 2,5,1,0
%N A196932 Decimal expansion of sinh(1)*cosh(1).
%C A196932 Also decimal expansion of sinh(2)/2.
%C A196932 By the Lindemann-Weierstrass theorem, this constant is transcendental. - _Charles R Greathouse IV_, May 14 2019
%H A196932 G. C. Greubel, <a href="/A196932/b196932.txt">Table of n, a(n) for n = 1..10000</a>
%H A196932 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A196932 Equals Product_{k>=1} 1 + 4/(k * Pi)^2. - _Amiram Eldar_, Jul 16 2020
%e A196932 sinh(1)*cosh(1) = sinh(2)/2 = 1.8134302039235093838341...
%t A196932 RealDigits[Sinh[2]/2, 10, 100][[1]] (* _G. C. Greubel_, Jun 10 2018 *)
%o A196932 (PARI) sinh(2)/2 \\ _Charles R Greathouse IV_, Apr 21 2016
%o A196932 (Magma) Sinh(2)/2; // _G. C. Greubel_, Jun 10 2018
%Y A196932 Cf. A001113, A073742, A073743.
%K A196932 nonn,cons
%O A196932 1,2
%A A196932 _Omar E. Pol_, Oct 23 2011
%E A196932 a(25)-a(72) from _John W. Layman_, Oct 24 2011