Multiples of 840.

Terms

a(0) =0a(1) =840a(2) =1680a(3) =2520a(4) =3360a(5) =4200a(6) =5040a(7) =5880a(8) =6720a(9) =7560a(10) =8400a(11) =9240a(12) =10080a(13) =10920a(14) =11760a(15) =12600a(16) =13440a(17) =14280a(18) =15120a(19) =15960a(20) =16800a(21) =17640a(22) =18480a(23) =19320a(24) =20160a(25) =21000a(26) =21840a(27) =22680a(28) =23520a(29) =24360