T(n,k)=Number of nXk 0..2 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other.

A203600

T(n,k)=Number of nXk 0..2 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other.

Terms

    a(0) =3a(1) =9a(2) =9a(3) =18a(4) =16a(5) =18a(6) =26a(7) =46a(8) =46a(9) =26a(10) =26a(11) =16a(12) =172a(13) =16a(14) =26a(15) =12a(16) =596a(17) =1430a(18) =1430a(19) =596a(20) =12a(21) =98a(22) =936a(23) =17452a(24) =20000a(25) =17452a(26) =936a(27) =98a(28) =366a(29) =5326

External references