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 A153505 #10 Aug 18 2016 08:06:07 %S A153505 1,9,9,3,9,3,0,9,3,9,5,3,9,9,8,8,4,2,8,0,2,2,8,4,0,9,8,4,0,9,5,5,5,7, %T A153505 0,0,9,7,0,8,6,7,2,2,8,1,4,1,1,5,4,1,7,4,5,5,9,1,5,3,2,0,6,3,6,9,9,9, %U A153505 0,2,0,8,7,6,5,4,9,0,6,1,8,4,0,4,2,8,6,9,0,5,8,0,5,3,4,6,8,1,6,1,4,6,8,4,4,5,1,7,6,3,6,9,7,5,1,3,3,8 %N A153505 Decimal expansion of (e*gamma*Pi*phi)/4, where gamma is the Euler-Mascheroni constant and phi is the golden ratio. %H A153505 G. C. Greubel, <a href="/A153505/b153505.txt">Table of n, a(n) for n = 1..2500</a> %F A153505 Equals A135000/4. - _R. J. Mathar_, Jan 22 2009 %e A153505 1.9939309... - _Omar E. Pol_, Dec 31 2008 %t A153505 RealDigits[E*EulerGamma*Pi*GoldenRatio/4, 10, 50][[1]] (* _G. C. Greubel_, Aug 17 2016 *) %Y A153505 Cf. A135000, A135001. %K A153505 nonn,cons %O A153505 1,2 %A A153505 _Omar E. Pol_, Dec 28 2008 %E A153505 Added more digits. - _R. J. Mathar_, Jan 22 2009