OFFSET
1,2
COMMENTS
Computed by Alan Wechsler, Dec 16, 2010.
Richard C. Schroeppel also asked about the analogous sequence giving the last occurrence of denominator n.
REFERENCES
Based on a posting by Richard C. Schroeppel to the Math Fun Mailing List, Dec 15 2010.
LINKS
Bo Gyu Jeong, Table of n, a(n) for n = 1..10000
Richard J. Mathar, The Kepler binary tree of reduced fractions, 2017.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 16 2010
EXTENSIONS
More terms from Bo Gyu Jeong, Oct 20 2012
STATUS
approved