OFFSET
1,1
COMMENTS
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
FORMULA
Equals (170 +41*sqrt(2))/(170 -41*sqrt(2)).
Equals (3 +2*sqrt(2))*(11 -2*sqrt(2))^2/(11 +2*sqrt(2))^2.
EXAMPLE
(16131+6970*sqrt(2))/113^2 = 2.03524696763571716580...
MAPLE
with(MmaTranslator[Mma]): Digits:=150:
RealDigits(evalf((16131+6970*sqrt(2))/113^2))[1]; # Muniru A Asiru, Apr 08 2018
MATHEMATICA
RealDigits[(16131+6970Sqrt[2])/113^2, 10, 120][[1]] (* Harvey P. Dale, Sep 02 2015 *)
PROG
(PARI) (16131 + 6970*sqrt(2))/113^2 \\ G. C. Greubel, Apr 07 2018
(Magma) (16131 + 6970*Sqrt(2))/113^2; // G. C. Greubel, Apr 07 2018
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Klaus Brockhaus, Jun 13 2009
STATUS
approved