OFFSET
0,1
COMMENTS
"Truncating just before the unexpectedly large partial quotient 16,539 gives a famous approximation of Ramanujan for Pi^4 of 97 9/22." (Wells)
REFERENCES
David Wells, "The Penguin Dictionary of Curious and Interesting Numbers," Revised Edition, Penguin Books, London, England, 1997, page 116.
LINKS
Harry J. Smith, Table of n, a(n) for n = 0..20000
EXAMPLE
97.4090910340024372364403326... = 97 + 1/(2 + 1/(2 + 1/(3 + 1/(1 + ...)))). - Harry J. Smith, Jun 22 2009
MATHEMATICA
ContinuedFraction[ Pi^4, 100]
PROG
(PARI) { allocatemem(932245000); default(realprecision, 21000); x=contfrac(Pi^4); for (n=0, 20000, write("b058286.txt", n, " ", x[n+1])); } \\ Harry J. Smith, Jun 22 2009
CROSSREFS
KEYWORD
cofr,nonn,easy
AUTHOR
Robert G. Wilson v, Dec 07 2000
STATUS
approved