Differences between the minimal numbers (A007416).

Terms

a(0) =1a(1) =2a(2) =2a(3) =6a(4) =4a(5) =8a(6) =12a(7) =12a(8) =12a(9) =4a(10) =56a(11) =24a(12) =36a(13) =12a(14) =48a(15) =120a(16) =216a(17) =144a(18) =120a(19) =60a(20) =60a(21) =64a(22) =236a(23) =36a(24) =384a(25) =840a(26) =360a(27) =192a(28) =528a(29) =496