T(n,k) = Number of n X k integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

A266131

T(n,k) = Number of n X k integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

Terms

    a(0) =1a(1) =3a(2) =1a(3) =4a(4) =9a(5) =1a(6) =5a(7) =25a(8) =20a(9) =1a(10) =9a(11) =49a(12) =77a(13) =61a(14) =1a(15) =16a(16) =149a(17) =117a(18) =385a(19) =189a(20) =1a(21) =25a(22) =625a(23) =278a(24) =572a(25) =2099a(26) =544a(27) =1a(28) =39a(29) =2141

External references