a(n) = n-th sept-factorial number divided by 3.

A034830

a(n) = n-th sept-factorial number divided by 3.

Terms

    a(0) =1a(1) =10a(2) =170a(3) =4080a(4) =126480a(5) =4806240a(6) =216280800a(7) =11246601600a(8) =663549494400

External references