Number of n X 3 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 4 binary array having determinant equal to one.

A227748

Number of n X 3 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 4 binary array having determinant equal to one.

Terms

    a(0) =7a(1) =40a(2) =210a(3) =1122a(4) =6002a(5) =32114a(6) =171759a(7) =918746a(8) =4914405a(9) =26287020a(10) =140609297a(11) =752118530a(12) =4023077949a(13) =21519427103a(14) =115107316893a(15) =615708512376

External references