Number of (3+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.
A232911
Number of (3+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.
Terms
- a(0) =8a(1) =194a(2) =4928a(3) =68310a(4) =1825972a(5) =39641548a(6) =778576484a(7) =16941046024a(8) =366984381420
External references
- oeis: A232911