Triangle read by rows, T(n,k) is difference of column sum and row sum of natural numbers filled in n x n square.

A237444

Triangle read by rows, T(n,k) is difference of column sum and row sum of natural numbers filled in n x n square.

Terms

    a(0) =0a(1) =1a(2) =-1a(3) =6a(4) =0a(5) =-6a(6) =18a(7) =6a(8) =-6a(9) =-18a(10) =40a(11) =20a(12) =0a(13) =-20a(14) =-40a(15) =75a(16) =45a(17) =15a(18) =-15a(19) =-45a(20) =-75a(21) =126a(22) =84a(23) =42a(24) =0a(25) =-42a(26) =-84a(27) =-126a(28) =196a(29) =140

External references