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-x) * (1-y) * (1 - log(1-x) * log(1-y))^2 ).

A382824

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-x) * (1-y) * (1 - log(1-x) * log(1-y))^2 ).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =2a(6) =6a(7) =8a(8) =8a(9) =6a(10) =24a(11) =28a(12) =34a(13) =28a(14) =24a(15) =120a(16) =124a(17) =150a(18) =150a(19) =124a(20) =120a(21) =720a(22) =668a(23) =768a(24) =854a(25) =768a(26) =668a(27) =720a(28) =5040a(29) =4248

External references