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 all six edge and diagonal differences equal to 9.

A234140

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 all six edge and diagonal differences equal to 9.

Terms

    a(0) =32a(1) =80a(2) =80a(3) =192a(4) =152a(5) =192a(6) =512a(7) =296a(8) =296a(9) =512a(10) =1280a(11) =680a(12) =488a(13) =680a(14) =1280a(15) =3584a(16) =1544a(17) =968a(18) =968a(19) =1544a(20) =3584a(21) =9216a(22) =4040a(23) =1992a(24) =1640a(25) =1992a(26) =4040a(27) =9216a(28) =26624a(29) =9992

External references