OFFSET
1,4
COMMENTS
For other square roots of positive integers add or subtract more a(n)to formula and start off.
EXAMPLE
For n=5 a(5)= 1/1 + 1/1 + 1/3 = 7/3 (numerator)
For n=5 a(5)= 1/(1 + 1 + 1/3) = 3/7 (denominator)
Convergents are 1, 1, 1, 3, 2.3333.., 1.7619047...., 1.748317..., 1.89172..., 1.852777..., 1.64032..., 1.677983... - R. J. Mathar, Nov 03 2016
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Mark Dols, Jul 17 2009
STATUS
approved