OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
FORMULA
This is the solution of the quadratic equation y^2-y-Pi=0.
EXAMPLE
2.34162771851147843176658606229695567871260854774401...
MATHEMATICA
RealDigits[(1+Sqrt[1+4Pi])/2, 10, 120][[1]] (* Harvey P. Dale, Dec 04 2014 *)
PROG
(PARI) default(realprecision, 100):t=0:for(n=1, 5000, t=sqrt(t+Pi)):return(t)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 23 2004
STATUS
approved