Numbers with an even number of prime divisors (counted with multiplicity); numbers k such that the Liouville function lambda(k) (A008836) is positive.
A028260
Numbers with an even number of prime divisors (counted with multiplicity); numbers k such that the Liouville function lambda(k) (A008836) is positive.
Terms
- a(0) =1a(1) =4a(2) =6a(3) =9a(4) =10a(5) =14a(6) =15a(7) =16a(8) =21a(9) =22a(10) =24a(11) =25a(12) =26a(13) =33a(14) =34a(15) =35a(16) =36a(17) =38a(18) =39a(19) =40a(20) =46a(21) =49a(22) =51a(23) =54a(24) =55a(25) =56a(26) =57a(27) =58a(28) =60a(29) =62
External references
- oeis: A028260