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 A091649 #12 Feb 16 2025 08:32:52 %S A091649 6,16,59,28,1,34,51,46,14,49,55,12,35,26,8,58,14,20,7,22,35,45,12,24, %T A091649 29,13,29,43,40,31,6,14,47,58,18,27,36,44,24,43,30,45,53,35,19,28,57, %U A091649 15,56,46,42,23,53,6,45,21,25,2,12,12,7,32,33,44,5,37,6,49,17,6,44,2,0,3,20 %N A091649 Base-60 (Babylonian or sexagesimal) expansion of 2 Pi. %D A091649 Mohammad K. Azarian, Al-Risala al-Muhitiyya: A Summary, Missouri Journal of Mathematical Sciences, Vol. 22, No. 2, 2010, pp. 64-85. %D A091649 Mohammad K. Azarian, The Introduction of Al-Risala al-Muhitiyya: An English Translation, International Journal of Pure and Applied Mathematics, Vol. 57, No. 6, 2009 , pp. 903-914. %D A091649 Mohammad K. Azarian, Al-Kashi's Fundamental Theorem, International Journal of Pure and Applied Mathematics, Vol. 14, No. 4, 2004, pp. 499-509. Mathematical Reviews, MR2005b:01021 (01A30), February 2005, p. 919. Zentralblatt MATH, Zbl 1059.01005. %D A091649 Mohammad K. Azarian, Meftah al-hesab: A Summary, MJMS, Vol. 12, No. 2, Spring 2000, pp. 75-95. Mathematical Reviews, MR 1 764 526. Zentralblatt MATH, Zbl 1036.01002. %D A091649 Mohammad K. Azarian, A Summary of Mathematical Works of Ghiyath ud-din Jamshid Kashani, Journal of Recreational Mathematics, Vol. 29(1), pp. 32-42, 1998. %H A091649 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PiDigits.html">Pi Digits</a> %e A091649 2 pi = 6 + 16/60 + 59/60^2 + 28/60^3 + .... %t A091649 RealDigits[ 2Pi, 60, 75][[1]] (* _Robert G. Wilson v_, Jul 08 2004 *) %Y A091649 Cf. A000796, A060707. %Y A091649 A159991. - _Reinhard Zumkeller_, May 02 2009 %K A091649 nonn,base,easy %O A091649 1,1 %A A091649 _Eric W. Weisstein_, Jan 25 2004