T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 46.

A234858

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 46.

Terms

    a(0) =36288a(1) =430044a(2) =430044a(3) =5061072a(4) =5514440a(5) =5061072a(6) =59396544a(7) =71519712a(8) =71519712a(9) =59396544a(10) =722877426a(11) =956848472a(12) =1040079112a(13) =956848472a(14) =722877426a(15) =8724962088a(16) =13924547174a(17) =16003252128a(18) =16003252128a(19) =13924547174a(20) =8724962088a(21) =104942366208

External references