T(n,k)=Number of nXk 0..3 arrays with every repeated value in every row and column greater than the previous repeated value.

A267933

T(n,k)=Number of nXk 0..3 arrays with every repeated value in every row and column greater than the previous repeated value.

Terms

    a(0) =4a(1) =16a(2) =16a(3) =60a(4) =256a(5) =60a(6) =222a(7) =3600a(8) =3600a(9) =222a(10) =804a(11) =49284a(12) =178068a(13) =49284a(14) =804a(15) =2872a(16) =646416a(17) =8459154a(18) =8459154a(19) =646416a(20) =2872a(21) =10132a(22) =8248384a(23) =376812420a(24) =1376175262a(25) =376812420a(26) =8248384a(27) =10132a(28) =35383a(29) =102657424

External references