Where records occur in A129308 and also in A195155.

Terms

a(0) =1a(1) =2a(2) =6a(3) =12a(4) =60a(5) =180a(6) =360a(7) =420a(8) =840a(9) =1260a(10) =2520a(11) =5040a(12) =13860a(13) =27720a(14) =55440a(15) =83160a(16) =166320a(17) =277200a(18) =360360a(19) =720720a(20) =1081080a(21) =2162160a(22) =2827440a(23) =4324320a(24) =6126120a(25) =12252240a(26) =24504480a(27) =36756720a(28) =73513440a(29) =147026880