cp's OEIS Frontend

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.

Showing 1-2 of 2 results.

A171546 Decimal expansion of sqrt(3/35).

Original entry on oeis.org

2, 9, 2, 7, 7, 0, 0, 2, 1, 8, 8, 4, 5, 5, 9, 9, 5, 3, 8, 0, 6, 3, 1, 5, 3, 9, 0, 8, 7, 2, 0, 3, 0, 0, 5, 6, 8, 7, 8, 1, 4, 3, 7, 9, 0, 3, 8, 4, 4, 2, 3, 7, 9, 7, 9, 8, 6, 9, 1, 3, 6, 7, 1, 4, 2, 5, 4, 3, 8, 5, 1, 3, 8, 7, 7, 2, 9, 5, 8, 3, 0, 6, 5, 5, 0, 6, 3, 7, 6, 0, 8, 1, 0, 8, 1, 5, 6, 2, 1, 0, 5, 5, 8, 4, 1
Offset: 0

Views

Author

R. J. Mathar, Dec 11 2009

Keywords

Comments

The absolute value of the Clebsch-Gordan coupling coefficient = <2 3/2 ; 0 -1/2 | 5/2 -1/2>.

Examples

			sqrt(3/35) = sqrt(105)/35 = 0.2927700218845599538063153..
		

Programs

  • Mathematica
    RealDigits[Sqrt[3/35],10,120][[1]]  (* Harvey P. Dale, Apr 20 2011 *)

Formula

A176457 Decimal expansion of (28+2*sqrt(210))/7.

Original entry on oeis.org

8, 1, 4, 0, 3, 9, 3, 3, 5, 6, 0, 5, 4, 1, 2, 5, 3, 0, 6, 7, 7, 6, 7, 6, 1, 1, 8, 7, 7, 6, 2, 7, 9, 1, 9, 2, 0, 8, 9, 7, 1, 8, 0, 8, 2, 1, 3, 5, 9, 7, 0, 6, 5, 9, 6, 7, 7, 0, 2, 6, 4, 2, 3, 0, 6, 0, 5, 1, 8, 4, 1, 0, 6, 4, 7, 2, 4, 8, 0, 1, 2, 0, 4, 8, 9, 3, 0, 3, 7, 6, 9, 1, 4, 3, 8, 9, 0, 7, 1, 3, 6, 4, 3, 7, 2
Offset: 1

Views

Author

Klaus Brockhaus, Apr 20 2010

Keywords

Comments

Continued fraction expansion of (28+2*sqrt(210))/7 is A010728 preceded by 8.
a(n) = A171539(n-1) for n > 1.

Examples

			(28+2*sqrt(210))/7 = 8.14039335605412530677...
		

Crossrefs

Cf. A171539 (decimal expansion of sqrt(6/35)), A176441 (decimal expansion of sqrt(210)), A010728 (repeat 7, 8).

Programs

  • Mathematica
    RealDigits[(28+2Sqrt[210])/7,10,120][[1]] (* Harvey P. Dale, Apr 07 2018 *)
Showing 1-2 of 2 results.