Floor-factorial numbers: a(n) = Product_{k=1..n} floor(n/k).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =8a(5) =10a(6) =36a(7) =42a(8) =128a(9) =216a(10) =600a(11) =660a(12) =3456a(13) =3744a(14) =9408a(15) =18900a(16) =61440a(17) =65280a(18) =279936a(19) =295488a(20) =1152000a(21) =2116800a(22) =4878720a(23) =5100480a(24) =31850496a(25) =41472000a(26) =93450240a(27) =163762560a(28) =568995840a(29) =589317120