LCM of {C(0,0), C(1,0), ..., C(n, floor(n/2))}.

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =6a(5) =30a(6) =60a(7) =420a(8) =420a(9) =1260a(10) =1260a(11) =13860a(12) =13860a(13) =180180a(14) =360360a(15) =360360a(16) =360360a(17) =6126120a(18) =6126120a(19) =116396280a(20) =116396280a(21) =116396280a(22) =116396280a(23) =2677114440a(24) =2677114440a(25) =13385572200a(26) =13385572200a(27) =40156716600a(28) =40156716600