OFFSET
0,1
EXAMPLE
The 47th position, corresponding to the fraction 2/11, has value 44 because 2/11=1/12+1/22+1/33+1/44 and there is no way of writing 2/11 as a sum of distinct unit fractions with all denominators less than 44.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
David Eppstein, Mar 09 2004
STATUS
approved