a(n) = (A003309(n)-1)*a(n-1) (n > 1), a(1) = 1, where A003309 are the ludic numbers.

A377469

a(n) = (A003309(n)-1)*a(n-1) (n > 1), a(1) = 1, where A003309 are the ludic numbers.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =8a(4) =48a(5) =480a(6) =5760a(7) =92160a(8) =2027520a(9) =48660480a(10) =1362493440a(11) =49049763840

External references