Number of 3 X n binary matrices M with rows in strictly increasing order and rows of M*Mtranspose (mod 2) in strictly increasing order.

A181271

Number of 3 X n binary matrices M with rows in strictly increasing order and rows of M*Mtranspose (mod 2) in strictly increasing order.

Terms

    a(0) =0a(1) =0a(2) =6a(3) =87a(4) =730a(5) =6236a(6) =49400a(7) =398032a(8) =3162528a(9) =25293504a(10) =201794944a(11) =1613449472a(12) =12895556096a(13) =103137221632a(14) =824854591488

External references