LCM of the composite numbers between n and 2n (both inclusive).

Terms

a(0) =1a(1) =4a(2) =12a(3) =24a(4) =360a(5) =360a(6) =2520a(7) =5040a(8) =5040a(9) =5040a(10) =55440a(11) =55440a(12) =3603600a(13) =10810800a(14) =10810800a(15) =21621600a(16) =367567200a(17) =367567200a(18) =6983776800a(19) =6983776800a(20) =6983776800a(21) =6983776800a(22) =160626866400a(23) =160626866400