Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..n} k^(n-j) * (n-j)^j/j!.

A351761

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..n} k^(n-j) * (n-j)^j/j!.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =2a(8) =4a(9) =0a(10) =1a(11) =3a(12) =12a(13) =21a(14) =0a(15) =1a(16) =4a(17) =24a(18) =102a(19) =148a(20) =0a(21) =1a(22) =5a(23) =40a(24) =279a(25) =1160a(26) =1305a(27) =0a(28) =1a(29) =6

External references