Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock singular.

A185512

Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock singular.

Terms

    a(0) =31a(1) =1489a(2) =154561a(3) =80761059a(4) =96865190255

External references