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A320960
Decimal expansion of (1/3)*Pi^2 + 2*gamma^2.
0
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
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
Sequence in context: A306552 A092041 A317904 * A193075 A285264 A106586
KEYWORD
nonn,cons
AUTHOR
Peter Luschny, Nov 07 2018
STATUS
approved