Number of (n+1)X6 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.
A184077
Number of (n+1)X6 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) =728a(1) =1599a(2) =25954a(3) =360196a(4) =5727704a(5) =78169918a(6) =1001709070a(7) =11365443208a(8) =113527064195a(9) =996376517938
External references
- oeis: A184077