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A291050 Decimal expansion of Pi^2 / 27. 0
3, 6, 5, 5, 4, 0, 9, 0, 3, 7, 4, 4, 0, 5, 0, 3, 1, 9, 2, 1, 6, 0, 9, 2, 2, 5, 9, 2, 5, 4, 6, 7, 2, 2, 6, 4, 2, 7, 0, 8, 7, 7, 7, 5, 5, 8, 2, 3, 7, 3, 2, 9, 8, 6, 1, 6, 3, 4, 5, 7, 3, 8, 4, 3, 0, 4, 4, 4, 6, 1, 0, 4, 5, 3, 4, 0, 4, 4, 6, 3, 8, 6, 2, 9, 6, 9, 5, 3, 1, 1, 2, 4, 8, 8, 3, 5, 2, 6, 7, 8, 4, 5, 3, 3, 4, 2, 9, 3, 1, 0, 2, 7, 4, 1, 5, 9, 7, 9, 2, 8, 8, 0, 6, 3, 8, 3, 2, 6, 3, 7, 7, 8, 8, 9, 0, 6, 1, 9, 5, 4, 1, 1, 3, 3, 9, 8, 8, 0, 7, 3, 5, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..151.

FORMULA

Equals Sum_{n>=1} 1/A047235(n)^2.

Equals A002388 / 27. - Felix Fröhlich, Oct 22 2017

EXAMPLE

0.365540903744050319216092259254672264270877755823732986163457384304446104534...

MATHEMATICA

RealDigits[Pi^2/27, 10, 160][[1]] (* Harvey P. Dale, Apr 29 2019 *)

PROG

(PARI) Pi^2 / 27

CROSSREFS

Cf. A002388, A047235.

Sequence in context: A159058 A323778 A102370 * A268981 A245652 A106109

Adjacent sequences:  A291047 A291048 A291049 * A291051 A291052 A291053

KEYWORD

nonn,cons,easy

AUTHOR

Dimitris Valianatos, Oct 20 2017

STATUS

approved

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Last modified November 11 22:31 EST 2019. Contains 329046 sequences. (Running on oeis4.)