Positions of records in A355593: Integers whose number of alternating divisors sets a new record.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =24a(6) =36a(7) =72a(8) =144a(9) =180a(10) =360a(11) =504a(12) =630a(13) =1080a(14) =1260a(15) =1890a(16) =2520a(17) =3780a(18) =7560a(19) =15120a(20) =18900a(21) =22680a(22) =30240a(23) =37800a(24) =45360a(25) =75600a(26) =90720a(27) =151200a(28) =162540a(29) =226800