Number of (n+1)X(4+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
A232585
Number of (n+1)X(4+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =26a(1) =152a(2) =996a(3) =6406a(4) =41328a(5) =266490a(6) =1718514a(7) =11082034a(8) =71463916a(9) =460844060a(10) =2971811106a(11) =19164098964a(12) =123582110878a(13) =796934839170
External references
- oeis: A232585