T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6.

A233635

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6.

Terms

    a(0) =100a(1) =716a(2) =716a(3) =4974a(4) =10544a(5) =4974a(6) =34996a(7) =150054a(8) =150054a(9) =34996a(10) =245244a(11) =2172148a(12) =4350820a(13) =2172148a(14) =245244a(15) =1721166a(16) =31361288a(17) =130732438a(18) =130732438a(19) =31361288a(20) =1721166a(21) =12073496a(22) =453376730a(23) =3912088926a(24) =8271515976a(25) =3912088926a(26) =453376730

External references