A308637 - OEIS

A308637

Decimal expansion of Pi^3/Zeta(3).

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

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OFFSET

2,1

LINKS

Table of n, a(n) for n=2..88.

Index entries for zeta function.

FORMULA

Pi^3/Zeta(3) = A091925/A002117.

MATHEMATICA

RealDigits[Pi^3/Zeta[3], 10, 100][[1]] (* Amiram Eldar, Aug 24 2019 *)

PROG

(PARI) Pi^3/zeta(3)

CROSSREFS

-----+---------------------------------

n | Zeta(n)

-----+---------------------------------

2 | Pi^2 / 6 = A013661.

3 | Pi^3 / 25.79... = A002117.

4 | Pi^4 / 90 = A013662.

5 | Pi^5 / A309926 = A013663.

6 | Pi^6 / 945 = A013664.

7 | Pi^7 / A309927 = A013665.

8 | Pi^8 / 9450 = A013666.

9 | Pi^9 / A309928 = A013667.

10 | Pi^10 / 93555 = A013668.

11 | Pi^11 / A309929 = A013669.

12 | 691*Pi^12 / 638512875 = A013670.

...

Cf. A002432, A091925, A276120 (Zeta(3)/Pi^3).

Sequence in context: A227445 A216968 A088757 * A267693 A070985 A325431

Adjacent sequences: A308634 A308635 A308636 * A308638 A308639 A308640

KEYWORD

nonn,cons

AUTHOR

Seiichi Manyama, Aug 23 2019

EXTENSIONS

More terms from Amiram Eldar, Aug 24 2019

STATUS

approved