Number of (n+2) X (4+2) 0..3 arrays with each 3 X 3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal.
A234865
Number of (n+2) X (4+2) 0..3 arrays with each 3 X 3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal.
Terms
- a(0) =326786a(1) =1375612a(2) =6113796a(3) =29472954a(4) =161033032a(5) =950535104a(6) =5625963918a(7) =35154924248a(8) =233690454262
External references
- oeis: A234865