a(n) is the lcm of the denominators of the terms in the n-th row of M where M is the inverse of the matrix generated by the triangle A368846.

A369135

a(n) is the lcm of the denominators of the terms in the n-th row of M where M is the inverse of the matrix generated by the triangle A368846.

Terms

    a(0) =1a(1) =6a(2) =30a(3) =420a(4) =630a(5) =13860a(6) =180180a(7) =5405400a(8) =4594590a(9) =96996900a(10) =1222160940a(11) =40156716600a(12) =6692786100a(13) =281097016200

External references