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 A154605 #11 Jun 30 2021 08:23:02 %S A154605 1,5,1,9,6,7,1,3,7,1,3,0,3,1,8,5,0,9,4,6,6,2,3,7,5,5,0,1,3,0,9,0,9,0, %T A154605 6,7,0,7,9,3,5,4,6,8,9,7,7,7,4,6,2,0,6,3,7,2,2,2,5,7,7,3,0,7,4,0,0,6, %U A154605 4,4,4,6,6,3,4,2,0,9,4,5,4,3,1,8,8,8,2,1,2,2,8,3,3,0,0,7,4,3,1,3,9,3,3,0,2 %N A154605 Decimal expansion of 2/(4th root of 3). %C A154605 The side length of an equilateral triangle with area 1. %C A154605 Quartic number with denominator 3 and minimal polynomial 3x^4 - 16. - _Charles R Greathouse IV_, Jun 30 2021 %F A154605 A154605 = 2/A011002 = 2/(3^(1/4)). %e A154605 1.5196713713031850946623755013090906... %t A154605 RealDigits[N[2/3^(1/4),200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 05 2012 *) %t A154605 RealDigits[2/Surd[3,4],10,120][[1]] (* _Harvey P. Dale_, Mar 09 2019 *) %o A154605 (PARI) 2/3^(1/4) %o A154605 (PARI) 2/sqrt(sqrt(3)) %Y A154605 Cf. A011002, A120011. %K A154605 cons,nonn %O A154605 1,2 %A A154605 _Rick L. Shepherd_, Jan 12 2009