OFFSET
2,1
COMMENTS
Largest c is n(n+1) since 1/n=1/(n(n+1))+1/(n+1)
EXAMPLE
a(10)=30 since 1/10=1/20+1/20=1/30+1/15=1/35+1/14=1/60+1/12=1/110+1/11, but the first sum does not have c>b, leaving the second sum to provide the value.
CROSSREFS
KEYWORD
nonn
AUTHOR
Henry Bottomley, Jul 23 2001
STATUS
approved