OFFSET
1,1
COMMENTS
Sqrt(950) has more prime denominator convergents that sqrt(a) for most small a.
MATHEMATICA
Select[Denominator[Convergents[Sqrt[950], 100]], PrimeQ] (* Harvey P. Dale, Jan 21 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
James R. Buddenhagen, Apr 06 2011
STATUS
approved