Number of (n+1)X4 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.

A205288

Number of (n+1)X4 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.

Terms

    a(0) =2766a(1) =45914a(2) =695725a(3) =10133550a(4) =150096812a(5) =2227575108a(6) =33047965838a(7) =489959337766

External references