OFFSET
1,2
EXAMPLE
a(84) = gcd(48,84) = 12 = a(48).
a(101) = gcd(101,11) = 1.
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Amarnath Murthy, Mar 29 2002
EXTENSIONS
Edited and extended by Robert G. Wilson v, Apr 02 2002
a(71) corrected by Charles R Greathouse IV, Mar 18 2011
STATUS
approved