Array read by upwards antidiagonals: T(n,k) = Product_{ 0 < |n-k*i| <= n} (n-k*i), with n >= 0, k >= 1.
A288580
Array read by upwards antidiagonals: T(n,k) = Product_{ 0 < |n-k*i| <= n} (n-k*i), with n >= 0, k >= 1.
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-1a(5) =4a(6) =1a(7) =1a(8) =-4a(9) =-36a(10) =1a(11) =1a(12) =-2a(13) =9a(14) =576a(15) =1a(16) =1a(17) =-4a(18) =-9a(19) =64a(20) =-14400a(21) =1a(22) =1a(23) =2a(24) =-3a(25) =-8a(26) =-225a(27) =518400a(28) =1a(29) =1
External references
- oeis: A288580