Number of (n+1)X(7+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal.
A233916
Number of (n+1)X(7+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal.
Terms
- a(0) =559736a(1) =28936484a(2) =1317291048a(3) =76393662524
External references
- oeis: A233916