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 A019685 #28 Jul 08 2025 07:34:15 %S A019685 0,1,7,4,5,3,2,9,2,5,1,9,9,4,3,2,9,5,7,6,9,2,3,6,9,0,7,6,8,4,8,8,6,1, %T A019685 2,7,1,3,4,4,2,8,7,1,8,8,8,5,4,1,7,2,5,4,5,6,0,9,7,1,9,1,4,4,0,1,7,1, %U A019685 0,0,9,1,1,4,6,0,3,4,4,9,4,4,3,6,8,2,2,4,1,5,6,9,6,3,4,5,0,9,4,8 %N A019685 Decimal expansion of Pi/180. %C A019685 1 degree = Pi/180 radians (=0.0174532925199432957692369076848...). For the reciprocal conversion factor, see A072097. %D A019685 Murray R. Spiegel, Seymour Lipschutz, John Liu. Mathematical Handbook of Formulas and Tables, 3rd Ed. Schaum's Outline Series. New York: McGraw-Hill (2009): 4 %H A019685 Ivan Panchenko, <a href="/A019685/b019685.txt">Table of n, a(n) for n = 0..1000</a> %H A019685 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A019685 0.0174532925199432957692369076848... %t A019685 RealDigits[N[Pi/180, 110]] (* _Vladimir Joseph Stephan Orlovsky_, Dec 02 2009 *) %Y A019685 Cf. A072097 (1 radian = 180/Pi degrees). %K A019685 nonn,cons %O A019685 0,3 %A A019685 _N. J. A. Sloane_ %E A019685 Typo in the name (Pi/180 instead of Pi/18) corrected by _Stanislav Sykora_, Mar 14 2012