a(n) = lcm(n,n+1,n+2).

Terms

a(0) =6a(1) =12a(2) =60a(3) =60a(4) =210a(5) =168a(6) =504a(7) =360a(8) =990a(9) =660a(10) =1716a(11) =1092a(12) =2730a(13) =1680a(14) =4080a(15) =2448a(16) =5814a(17) =3420a(18) =7980a(19) =4620a(20) =10626a(21) =6072a(22) =13800a(23) =7800a(24) =17550a(25) =9828a(26) =21924a(27) =12180a(28) =26970a(29) =14880