Number of (n+2)X(1+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal.
A234862
Number of (n+2)X(1+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal.
Terms
- a(0) =2216a(1) =11714a(2) =61954a(3) =326786a(4) =1791552a(5) =9897540a(6) =54119058a(7) =297874488a(8) =1655842138a(9) =9105854856a(10) =50163046756a(11) =278949824936
External references
- oeis: A234862