Number of (n+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.
A232900
Number of (n+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) =0a(1) =34a(2) =4928a(3) =1827866a(4) =7517844304
External references
- oeis: A232900