A091649 Base-60 (Babylonian or sexagesimal) expansion of 2 Pi.

6, 16, 59, 28, 1, 34, 51, 46, 14, 49, 55, 12, 35, 26, 8, 58, 14, 20, 7, 22, 35, 45, 12, 24, 29, 13, 29, 43, 40, 31, 6, 14, 47, 58, 18, 27, 36, 44, 24, 43, 30, 45, 53, 35, 19, 28, 57, 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

Offset

1,1

References

Mohammad K. Azarian, Al-Risala al-Muhitiyya: A Summary, Missouri Journal of Mathematical Sciences, Vol. 22, No. 2, 2010, pp. 64-85.

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.

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.

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.

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.

Links

Table of n, a(n) for n=1..75.

Eric Weisstein's World of Mathematics, Pi Digits

Example

2 pi = 6 + 16/60 + 59/60^2 + 28/60^3 + ....

Mathematica

RealDigits[ 2Pi, 60, 75][[1]] (* Robert G. Wilson v, Jul 08 2004 *)

Crossrefs

Cf. A000796, A060707.

A159991. - Reinhard Zumkeller, May 02 2009

Sequence in context: A084057 A163302 A223028 * A125628 A078672 A219817

Adjacent sequences: A091646 A091647 A091648 * A091650 A091651 A091652

Keyword

nonn,base,easy

Author

Eric W. Weisstein, Jan 25 2004

Status

approved