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

A236490

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

Terms

    a(0) =81a(1) =583a(2) =583a(3) =3987a(4) =9839a(5) =3987a(6) =26091a(7) =156087a(8) =155757a(9) =26091a(10) =167095a(11) =2339313a(12) =5674353a(13) =2330087a(14) =167095a(15) =1054515a(16) =34149421a(17) =192914141a(18) =192685833a(19) =33951181a(20) =1054515a(21) =6595119a(22) =489696691a(23) =6339553813a(24) =14826588345a(25) =6319589033a(26) =486130993

External references