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.
A232904
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.
Terms
- a(0) =82a(1) =2958a(2) =68310a(3) =1827866a(4) =49501666a(5) =1295371950a(6) =34359557398a(7) =911287659098
External references
- oeis: A232904