Number of (2+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally.
A232841
Number of (2+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally.
Terms
- a(0) =16a(1) =312a(2) =6664a(3) =67718a(4) =1051216a(5) =17686598a(6) =265341016a(7) =3829830598a(8) =58936793732a(9) =903190534810
External references
- oeis: A232841