Number of (n+1)X2 0..2 arrays with every 2X2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order.
A204623
Number of (n+1)X2 0..2 arrays with every 2X2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order.
Terms
- a(0) =12a(1) =96a(2) =768a(3) =6144a(4) =49152a(5) =393216a(6) =3145728a(7) =25165824a(8) =201326592a(9) =1610612736a(10) =12884901888a(11) =103079215104a(12) =824633720832
External references
- oeis: A204623