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 A113815 #9 Mar 09 2019 10:59:50 %S A113815 2,2,4,7,0,6,5,3,6,7,3,7,9,4,0,5,1,4,4,5,3,0,1,3,1,6,7,1,5,0,5,6,3,0, %T A113815 7,1,5,8,3,3,4,9,6,4,0,1,1,3,4,0,0,3,2,3,2,9,6,2,3,9,5,8,6,8,1,5,4,3, %U A113815 6,2,5,5,6,7,5,6,5,0,5,4,7,5,4,1,7,8,7,7,8,1,4,0,9,8,5,1,0,7,8,9,9,9,0,1,2 %N A113815 Decimal expansion of (cotangent of 1 degree)^(1/5). %H A113815 G. C. Greubel, <a href="/A113815/b113815.txt">Table of n, a(n) for n = 1..5000</a> %e A113815 Equals (cot(Pi/180))^(1/5) = 2.247065367379405144530132.... %t A113815 RealDigits[(Cot[Pi/180])^(1/5), 10, 50][[1]] (* _G. C. Greubel_, Jun 08 2017 *) %t A113815 RealDigits[Surd[Cot[1 Degree],5],10,120][[1]] (* _Harvey P. Dale_, Mar 09 2019 *) %o A113815 (PARI) (1/tan(Pi/180))^(1/5) \\ _G. C. Greubel_, Jun 08 2017 %Y A113815 Cf. A073449; A019987. %K A113815 cons,nonn %O A113815 1,1 %A A113815 _Mohammad K. Azarian_, Jan 22 2006