T(n,k)=Number of nXk 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.

A265928

T(n,k)=Number of nXk 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.

Terms

    a(0) =5a(1) =25a(2) =25a(3) =92a(4) =340a(5) =125a(6) =340a(7) =1740a(8) =4616a(9) =625a(10) =1252a(11) =9016a(12) =17936a(13) =62696a(14) =3125a(15) =4616a(16) =44916a(17) =72772a(18) =174000a(19) =851496a(20) =15625a(21) =17012a(22) =223788a(23) =273616a(24) =542940a(25) =1671744a(26) =11564952a(27) =78125a(28) =62696a(29) =1119424

External references