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 A147708 #15 Sep 08 2022 08:45:38 %S A147708 1,1,7,1,2,6,5,9,5,0,7,7,8,5,4,1,5,7,7,5,3,0,3,2,3,6,5,8,9,4,9,0,3,0, %T A147708 1,6,7,9,6,7,6,7,7,8,0,0,6,1,4,2,9,1,6,8,6,7,5,5,9,1,2,4,7,6,2,7,8,9, %U A147708 6,4,5,2,1,9,4,3,9,3,6,9,6,5,4,2,0,2,2,2,6,8,7,7,1,1,3,1,6,3,1,9 %N A147708 Decimal expansion of cosh(EulerGamma). %H A147708 G. C. Greubel, <a href="/A147708/b147708.txt">Table of n, a(n) for n = 1..10000</a> %e A147708 1.171265950778541577530323658949030167967677800614291686755912... %t A147708 First[RealDigits[N[(Exp[EulerGamma] + Exp[ -EulerGamma])/2, 100]]] %o A147708 (PARI) default(realprecision, 100); cosh(Euler) \\ _G. C. Greubel_, Aug 29 2018 %o A147708 (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Cosh(EulerGamma(R)); // _G. C. Greubel_, Aug 29 2018 %Y A147708 Cf. A001620, A098907. %Y A147708 Cf. A147709 (with sinh), A147710 (with tanh), A147711 (with coth). %K A147708 cons,nonn %O A147708 1,3 %A A147708 _Artur Jasinski_, Nov 11 2008