Numbers n such that n! is a product of distinct factorials k!*l!*m!*... with k, l, m, etc. < n.

Terms

a(0) =1a(1) =6a(2) =10a(3) =12a(4) =16a(5) =24a(6) =48a(7) =120a(8) =144a(9) =240a(10) =288a(11) =720a(12) =1440a(13) =2880a(14) =4320a(15) =5040a(16) =5760a(17) =8640a(18) =10080a(19) =17280a(20) =30240a(21) =34560a(22) =40320a(23) =60480a(24) =80640a(25) =86400a(26) =103680a(27) =120960a(28) =172800a(29) =207360