Number of nX4 (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X5 binary array.

A226713

Number of nX4 (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X5 binary array.

Terms

    a(0) =67a(1) =2393a(2) =49019a(3) =977939a(4) =20577215a(5) =439030021a(6) =9326184515a(7) =197633166633

External references