Half the number of (n+1) X 3 0..2 arrays with no 2 X 2 subblock having sum 4.
A183785
Half the number of (n+1) X 3 0..2 arrays with no 2 X 2 subblock having sum 4.
Terms
- a(0) =216a(1) =3552a(2) =57966a(3) =948164a(4) =15497634a(5) =253372446a(6) =4142036148a(7) =67714639662
External references
- oeis: A183785