Number of (n+2)X3 0..2 arrays with each 3X3 subblock nonsingular.
A184780
Number of (n+2)X3 0..2 arrays with each 3X3 subblock nonsingular.
Terms
- a(0) =12792a(1) =260268a(2) =5299212a(3) =107810856a(4) =2193592920a(5) =44633574216a(6) =908160565032
External references
- oeis: A184780