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%I #6 Jul 08 2016 20:28:20
%S 3,10,24,105,112,120,165,252,680,720,728,858,1320,1365,1771,2280,2907,
%T 3360,3654,3990,4896,5200,6545,6900,8775,9240,9920,10660,12144,13485,
%U 16215,16368,16872,19656,23310,23426,24360,26488,27417,32509,35904
%N Denominators of ((n+3)/(n+2)/(n+1)/n) (sorted with no repeats).
%H G. C. Greubel, <a href="/A168062/b168062.txt">Table of n, a(n) for n = 1..1000</a>
%t Take[Union@Table[Denominator[(n+3)/(n+2)/(n+1)/n],{n,200}],120]
%Y Cf. A060789, A168061.
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Nov 17 2009