Number of nX2 (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X3 binary array.
A226711
Number of nX2 (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X3 binary array.
Terms
- a(0) =9a(1) =71a(2) =427a(3) =2393a(4) =13691a(5) =80043a(6) =469273a(7) =2739433a(8) =15958607a(9) =93008549a(10) =542420159a(11) =3163594535a(12) =18448581619a(13) =107577118339a(14) =627315001045
External references
- oeis: A226711