Numbers whose binary indices are connected and pairwise indivisible, where two numbers are connected iff they have a common factor. A hybrid ranking sequence for connected antichains of multisets.
A371294
Numbers whose binary indices are connected and pairwise indivisible, where two numbers are connected iff they have a common factor. A hybrid ranking sequence for connected antichains of multisets.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =40a(7) =64a(8) =128a(9) =160a(10) =256a(11) =288a(12) =296a(13) =416a(14) =512a(15) =520a(16) =544a(17) =552a(18) =640a(19) =672a(20) =800a(21) =808a(22) =928a(23) =1024a(24) =2048a(25) =2176a(26) =2304a(27) =2432a(28) =2560a(29) =2688
External references
- oeis: A371294