a(n) = n! * lcm({1, 2, ..., n+1}).

A002397

a(n) = n! * lcm({1, 2, ..., n+1}).

Terms

    a(0) =1a(1) =2a(2) =12a(3) =72a(4) =1440a(5) =7200a(6) =302400a(7) =4233600a(8) =101606400a(9) =914457600a(10) =100590336000

External references