T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

A185477

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Terms

    a(0) =1169a(1) =4594a(2) =4594a(3) =13659a(4) =21834a(5) =13659a(6) =34779a(7) =76309a(8) =76309a(9) =34779a(10) =79743a(11) =225672a(12) =308692a(13) =225672a(14) =79743a(15) =169052a(16) =594798a(17) =1043186a(18) =1043186a(19) =594798a(20) =169052a(21) =336690a(22) =1433903a(23) =3097348a(24) =3959167a(25) =3097348a(26) =1433903a(27) =336690a(28) =636698a(29) =3212372

External references