Number of (n+1)X7 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.
A184078
Number of (n+1)X7 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) =1499a(1) =4233a(2) =104404a(3) =2628898a(4) =78169918a(5) =2187790488a(6) =53028481224
External references
- oeis: A184078