T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
A184081
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
Terms
- a(0) =29a(1) =58a(2) =58a(3) =150a(4) =74a(5) =150a(6) =335a(7) =239a(8) =239a(9) =335a(10) =728a(11) =578a(12) =1436a(13) =578a(14) =728a(15) =1499a(16) =1599a(17) =5760a(18) =5760a(19) =1599a(20) =1499a(21) =2968a(22) =4233a(23) =25954a(24) =44050a(25) =25954a(26) =4233a(27) =2968a(28) =5645a(29) =11128
External references
- oeis: A184081