OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..1000
MATHEMATICA
Take[Union@Table[Denominator[(n+3)/(n+2)/(n+1)/n], {n, 200}], 120]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Nov 17 2009
STATUS
approved