Number of (n+1)X(3+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.
A232903
Number of (n+1)X(3+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) =52a(1) =320a(2) =4928a(3) =62276a(4) =761860a(5) =9880580a(6) =123587140a(7) =1571314692a(8) =19864803028a(9) =251467184100
External references
- oeis: A232903