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

A268204

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

Terms

    a(0) =2a(1) =9a(2) =4a(3) =60a(4) =81a(5) =6a(6) =570a(7) =3600a(8) =576a(9) =9a(10) =6960a(11) =324900a(12) =178068a(13) =3969a(14) =12a(15) =104006a(16) =48441600a(17) =157322070a(18) =8459154a(19) =25281a(20) =16a(21) =1837752a(22) =10817248036a(23) =292870561470a(24) =73055876226a(25) =376812420a(26) =155236a(27) =20a(28) =37478718

External references