T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock nonsingular.
A184784
T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock nonsingular.
Terms
- a(0) =12792a(1) =260268a(2) =260268a(3) =5299212a(4) =13313404a(5) =5299212a(6) =107810856a(7) =681288932a(8) =681288932a(9) =107810856a(10) =2193592920a(11) =34797264276a(12) =87624157296a(13) =34797264276a(14) =2193592920a(15) =44633574216
External references
- oeis: A184784