Numbers m such that sigma(m) can be obtained as the base-2 carryless product of 2m and some k.
A325638
Numbers m such that sigma(m) can be obtained as the base-2 carryless product of 2m and some k.
Terms
- a(0) =6a(1) =28a(2) =456a(3) =496a(4) =6552a(5) =8128a(6) =30240a(7) =31452a(8) =32760a(9) =429240a(10) =2178540a(11) =7505976a(12) =23569920a(13) =33550336a(14) =45532800a(15) =142990848a(16) =1379454720
External references
- oeis: A325638