OFFSET
1,4
COMMENTS
Each nonnegative integer occurs infinitely many times. The j-sequence is A124905.
EXAMPLE
1=[3^0/4^0], 2=[3^2/4^1], 3=[3^1/4^0], 4=[3^9/4^6],...,
so j-sequence=(0,2,1,9,...); k-sequence=(0,1,0,6,...).
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Nov 12 2006
STATUS
approved