Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / (1 - log(1-x) * log(1-y))^3.

A382800

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / (1 - log(1-x) * log(1-y))^3.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =3a(5) =0a(6) =0a(7) =3a(8) =3a(9) =0a(10) =0a(11) =6a(12) =27a(13) =6a(14) =0a(15) =0a(16) =18a(17) =78a(18) =78a(19) =18a(20) =0a(21) =0a(22) =72a(23) =282a(24) =588a(25) =282a(26) =72a(27) =0a(28) =0a(29) =360

External references