Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} (-k)^(floor(n/j) - 1).
A345033
Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} (-k)^(floor(n/j) - 1).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =0a(5) =2a(6) =1a(7) =-1a(8) =3a(9) =2a(10) =1a(11) =-2a(12) =6a(13) =0a(14) =3a(15) =1a(16) =-3a(17) =11a(18) =-8a(19) =3a(20) =3a(21) =1a(22) =-4a(23) =18a(24) =-28a(25) =17a(26) =2a(27) =4a(28) =1a(29) =-5
External references
- oeis: A345033