T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26 (26 maximizes T(1,1)).
A233724
T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26 (26 maximizes T(1,1)).
Terms
- a(0) =280a(1) =1820a(2) =1820a(3) =11016a(4) =13588a(5) =11016a(6) =68828a(7) =101644a(8) =101644a(9) =68828a(10) =423220a(11) =820524a(12) =998048a(13) =820524a(14) =423220a(15) =2624872a(16) =6622988a(17) =10950676a(18) =10950676a(19) =6622988a(20) =2624872a(21) =16201200a(22) =54865696a(23) =122218188a(24) =170070448a(25) =122218188a(26) =54865696a(27) =16201200
External references
- oeis: A233724