Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.
A056610
Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =3a(6) =6a(7) =3a(8) =5a(9) =5a(10) =5a(11) =5a(12) =35a(13) =35a(14) =14a(15) =7a(16) =21a(17) =21a(18) =105a(19) =105a(20) =55a(21) =55a(22) =165a(23) =165a(24) =429a(25) =429a(26) =1001a(27) =1001a(28) =1001a(29) =1001
External references
- oeis: A056610