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.

A171538 Decimal expansion of 4/sqrt(35).

Original entry on oeis.org

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

Views

Author

R. J. Mathar, Dec 11 2009

Keywords

Comments

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

Examples

			sqrt(16/35) = 0.67612340378281326200769466...
		

Programs

  • Mathematica
    RealDigits[4/Sqrt[35],10,120][[1]] (* Harvey P. Dale, Mar 29 2018 *)

Formula

equals 4/A010490 = 2*A171543 .

A171548 Decimal expansion of 2*sqrt(2/35).

Original entry on oeis.org

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

Views

Author

R. J. Mathar, Dec 11 2009

Keywords

Comments

The absolute value of the Clebsch-Gordan coupling coefficient < j1 j2; m1 m2 | J M > = < 2 2; -1 1 | 4 0 >.

Examples

			Sqrt(8/35) = 2*sqrt(70)/35 = 0.478091443733757455987526871877249993..
		

Crossrefs

Programs

  • Magma
    SetDefaultRealField(RealField(100)); 2*Sqrt(2/35); // G. C. Greubel, Oct 02 2018
  • Mathematica
    RealDigits[2*Sqrt[2/35], 10, 100][[1]] (* G. C. Greubel, Oct 02 2018 *)
  • PARI
    2*sqrt(2/35) \\ Michel Marcus, Dec 23 2015
    

Formula

Showing 1-2 of 2 results.