Number of (n+1)X3 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.
A187420
Number of (n+1)X3 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.
Terms
- a(0) =175a(1) =1969a(2) =6512a(3) =44512a(4) =319792a(5) =2142214a(6) =13328138a(7) =88129302a(8) =580578920a(9) =3802787570a(10) =24886205614a(11) =163501852210
External references
- oeis: A187420