a(n + 3) = 35*a(n + 2) - 35*a(n + 1) + a(n), with a(0) = 0, a(1) = 6, a(2) = 210.

A029549

a(n + 3) = 35*a(n + 2) - 35*a(n + 1) + a(n), with a(0) = 0, a(1) = 6, a(2) = 210.

Terms

    a(0) =0a(1) =6a(2) =210a(3) =7140a(4) =242556a(5) =8239770a(6) =279909630a(7) =9508687656a(8) =323015470680

External references