OFFSET
2,2
FORMULA
a(n) = n + floor(a(n-1)/1) + floor(a(n-2)/2) + ... + floor(a(1)/(n-1))
EXAMPLE
a(1)=1 by definition
a(4)=4+a(3)/1+a(2)/2+a(1)/3=4+floor(6/1)+floor(3/2)+floor(1/3)=11
CROSSREFS
KEYWORD
nonn
AUTHOR
Dominick Cancilla, Aug 09 2010
STATUS
approved