OFFSET
1,1
COMMENTS
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
FORMULA
Equals (1354 +623*sqrt(2))/(1354 -623*sqrt(2)).
Equals (3 +2*sqrt(2))*(27 -sqrt(2))^2/(27 +sqrt(2))^2.
EXAMPLE
(1304787+843542*sqrt(2))/727^2 = 4.72582495346769116482...
MATHEMATICA
RealDigits[(1304787+843542*Sqrt[2])/727^2, 10, 100][[1]] (* G. C. Greubel, May 17 2018 *)
PROG
(PARI) (1304787 +843542*sqrt(2))/727^2 \\ G. C. Greubel, May 17 2018
(Magma) (1304787 +843542*Sqrt(2))/727^2; // G. C. Greubel, May 17 2018
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Klaus Brockhaus, Apr 30 2009
STATUS
approved