T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

A235517

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

Terms

    a(0) =16a(1) =58a(2) =58a(3) =209a(4) =382a(5) =209a(6) =746a(7) =2501a(8) =2501a(9) =746a(10) =2660a(11) =16117a(12) =29533a(13) =16117a(14) =2660a(15) =9476a(16) =103736a(17) =343063a(18) =343063a(19) =103736a(20) =9476a(21) =33753a(22) =666171a(23) =3977050a(24) =7186597a(25) =3977050a(26) =666171a(27) =33753a(28) =120216a(29) =4277473

External references