Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = -(1/n) * Sum_{d|n} mu(n/d) * (-k)^d.
A383011
Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = -(1/n) * Sum_{d|n} mu(n/d) * (-k)^d.
Terms
- a(0) =1a(1) =2a(2) =-1a(3) =3a(4) =-3a(5) =0a(6) =4a(7) =-6a(8) =2a(9) =0a(10) =5a(11) =-10a(12) =8a(13) =-3a(14) =0a(15) =6a(16) =-15a(17) =20a(18) =-18a(19) =6a(20) =0a(21) =7a(22) =-21a(23) =40a(24) =-60a(25) =48a(26) =-11a(27) =0a(28) =8a(29) =-28
External references
- oeis: A383011