Number of n X n binary matrices with rows and columns each in strictly increasing order as binary numbers and no 1 neighboring another 1.
A180996
Number of n X n binary matrices with rows and columns each in strictly increasing order as binary numbers and no 1 neighboring another 1.
Terms
- a(0) =2a(1) =2a(2) =3a(3) =7a(4) =26a(5) =145a(6) =1269a(7) =16666a(8) =336209a(9) =10197321a(10) =469338906a(11) =32492055785
External references
- oeis: A180996