Products of 4 consecutive integers: a(n) = n*(n-1)*(n-2)*(n-3).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =24a(5) =120a(6) =360a(7) =840a(8) =1680a(9) =3024a(10) =5040a(11) =7920a(12) =11880a(13) =17160a(14) =24024a(15) =32760a(16) =43680a(17) =57120a(18) =73440a(19) =93024a(20) =116280a(21) =143640a(22) =175560a(23) =212520a(24) =255024a(25) =303600a(26) =358800a(27) =421200a(28) =491400a(29) =570024