Products of two or more consecutive numbers that do not have prime gaps in their factorizations.

Terms

a(0) =2a(1) =6a(2) =12a(3) =24a(4) =30a(5) =60a(6) =72a(7) =90a(8) =120a(9) =210a(10) =240a(11) =360a(12) =420a(13) =600a(14) =720a(15) =840a(16) =1260a(17) =1680a(18) =2520a(19) =3360a(20) =5040a(21) =6480a(22) =6720a(23) =9240a(24) =15120a(25) =15750a(26) =20160a(27) =30240a(28) =40320a(29) =50400