a(n) = lcm{!2, !3, ..., !n}, where !n = A000166(n) is subfactorial.

A260656

a(n) = lcm{!2, !3, ..., !n}, where !n = A000166(n) is subfactorial.

Terms

    a(0) =1a(1) =2a(2) =18a(3) =396a(4) =104940a(5) =10808820a(6) =160327227060

External references