A171543 Decimal expansion of 2/sqrt(35).

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

Offset

0,1

Comments

The absolute value of the Clebsch-Gordan coupling coefficient <j1 j2; m1 m2 | J M> = <2 3/2 ; -1 3/2 | 7/2 1/2>.

Links

Daniel Starodubtsev, Table of n, a(n) for n = 0..10000

Wikipedia, Table of Clebsch-Gordan coefficients

Formula

Equals 2/A010490 = A171538/2.

Example

sqrt(4/35) = 2/sqrt(35) = 0.33806170189140663100384733094637811705...

Mathematica

RealDigits[2/Sqrt[35], 10, 120][[1]] (* Harvey P. Dale, Aug 23 2014 *)

Prog

(PARI) 2/sqrt(35) \\ Michel Marcus, Feb 18 2020

Crossrefs

Cf. A010490, A171538.

Sequence in context: A175566 A349425 A248859 * A079073 A165507 A212636

Adjacent sequences: A171540 A171541 A171542 * A171544 A171545 A171546

Keyword

cons,easy,nonn

Author

R. J. Mathar, Dec 11 2009

Status

approved