Number of (n+1)X(3+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.
A232386
Number of (n+1)X(3+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =78a(1) =192a(2) =1192a(3) =4646a(4) =24848a(5) =120264a(6) =589172a(7) =2974842a(8) =14684400a(9) =73356856a(10) =366069576a(11) =1823482622a(12) =9105338968a(13) =45429265214a(14) =226696769918
External references
- oeis: A232386