Triangle read by rows, T(n,k) = Sum_{i=0..n} (-1)^i*(k!)^i*(n*k-i*k)!, 0<=k<=n.
A375304
Triangle read by rows, T(n,k) = Sum_{i=0..n} (-1)^i*(k!)^i*(n*k-i*k)!, 0<=k<=n.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =2a(5) =24a(6) =0a(7) =4a(8) =672a(9) =358560a(10) =1a(11) =20a(12) =38976a(13) =476850240a(15) =0a(16) =100a(17) =3550848a(21) =1a(22) =620a(23) =471899904
External references
- oeis: A375304