login
A166530
Decimal expansion of exp(4*Pi*sqrt(163)) (or A060295^4).
5
4, 7, 5, 0, 7, 7, 8, 7, 3, 0, 8, 2, 5, 1, 7, 7, 7, 2, 5, 4, 6, 3, 9, 2, 0, 9, 4, 8, 9, 0, 9, 7, 2, 6, 6, 1, 8, 2, 1, 4, 4, 9, 1, 7, 1, 8, 0, 3, 9, 4, 7, 1, 3, 6, 6, 3, 1, 8, 7, 4, 7, 4, 0, 6, 3, 6, 8, 7, 9, 2, 0, 0, 0, 0, 0, 0, 3, 0, 8, 4, 6, 4, 3, 2, 2, 1, 2, 9, 9, 8, 1, 1, 8, 0, 1, 8, 7, 9, 9, 6, 2, 0, 0, 0, 1
OFFSET
70,1
COMMENTS
Near-integer obtained by taking Ramanujan's constant e^(Pi*sqrt(163)) to the fourth power.
REFERENCES
Henri Cohen, 'A Course in Computational Algebraic Number Theory', Springer-Verlag Berlin Heidelberg New-York 1996, p. 383.
LINKS
EXAMPLE
exp^(4*Pi*sqrt(163)) = 47507787308251777254639209489097266182144917180394713663187474063...
MATHEMATICA
RealDigits[Exp[Pi Sqrt[163]]^4, 10, 120][[1]] (* Harvey P. Dale, Apr 20 2011 *)
PROG
(PARI) exp(4*Pi*sqrt(163)) \\ Charles R Greathouse IV, Nov 12 2014
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Mark A. Thomas, Oct 16 2009
STATUS
approved