A056611 - OEIS

%I #7 Oct 15 2013 22:30:53

%S 1,1,1,1,1,3,3,1,1,5,5,5,5,7,7,7,7,21,21,15,5,55,165,33,33,143,143,

%T 1001,1001,1001,1001,91,91,221,221,221,221,323,323,323,323,2261,2261,

%U 24871,24871,572033,572033,81719,81719,24035,24035,312455,312455,85215

%N Quotient: squarefree kernel of A002944(n) divided by that of A001405.

%F a(n)=A007947[A002944(n)]/A007947[A001405(n)]

%e n=14,LCM[1,14,....,14,1]=24024,its sqf kernel is 6006; binomial[14,7]=3432,its sqf kernel is 858.a(14)=6006/858=7

%Y A002944, A001405, A007947,

%K nonn

%O 1,6

%A _Labos Elemer_, Aug 07 2000