Number of cubes that divide 1!*2!*3!*...*n!.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =10a(6) =36a(7) =64a(8) =220a(9) =468a(10) =1024a(11) =2052a(12) =7590a(13) =16224a(14) =50400a(15) =142800a(16) =246240a(17) =510300a(18) =2261952a(19) =3545856a(20) =14152320a(21) =40986000a(22) =68428800a(23) =178293960a(24) =784274400a(25) =1526805504a(26) =2782080000a(27) =9307872000a(28) =15858633600a(29) =28225260000