Numbers k such that the least common multiple of the anti-divisors of k is less than k.
A242028
Numbers k such that the least common multiple of the anti-divisors of k is less than k.
Terms
- a(0) =3a(1) =4a(2) =6a(3) =9a(4) =36a(5) =54a(6) =96a(7) =216a(8) =576a(9) =1296a(10) =69984a(11) =236196a(12) =393216a(13) =497664a(14) =28697814a(15) =31850496a(16) =84934656a(17) =2038431744a(18) =5435817984
External references
- oeis: A242028