LCM of row n of triangle in A081536.

Terms

a(0) =1a(1) =0a(2) =6a(3) =28a(4) =60a(5) =24a(6) =420a(7) =1320a(8) =2520a(9) =27720a(10) =27720a(11) =27720a(12) =360360a(13) =360360a(14) =360360a(15) =360360a(16) =12252240a(17) =281801520a(18) =232792560a(19) =232792560a(20) =232792560a(21) =232792560a(22) =5354228880a(23) =5354228880a(24) =26771144400a(25) =53542288800a(26) =80313433200a(27) =80313433200