A320960 Decimal expansion of (1/3)*Pi^2 + 2*gamma^2.

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

Offset

1,1

Links

Table of n, a(n) for n=1..79.

Formula

Equals A195055 + 2*A155969.

The Engel expansion starts: 1, 1, 1, 2, 2, 2, 2, 4, 6, 6, 8, 9, 12, ...

Example

Equals 3.9562239813118902215815826060025388317567340829128563617727831...

Mathematica

RealDigits[(1/3) Pi^2 + 2 EulerGamma^2, 10, 130] [[1]]

Prog

(PARI) (1/3)*Pi^2 + 2*Euler^2 \\ Felix Fröhlich, Nov 07 2018

Crossrefs

Cf. A195055, A155969.

Sequence in context: A306552 A092041 A317904 * A193075 A285264 A106586

Adjacent sequences: A320957 A320958 A320959 * A320961 A320962 A320963

Keyword

nonn,cons

Author

Peter Luschny, Nov 07 2018

Status

approved