Number of (n+1) X (n+1) binary matrices M with at most one 1 in each of the first n rows and each of the first n columns and M[n+1,n+1] = 0.
A289147
Number of (n+1) X (n+1) binary matrices M with at most one 1 in each of the first n rows and each of the first n columns and M[n+1,n+1] = 0.
Terms
- a(0) =1a(1) =5a(2) =34a(3) =286a(4) =2840a(5) =32344a(6) =414160a(7) =5876336a(8) =91356544a(9) =1542401920a(10) =28075364096a(11) =547643910400
External references
- oeis: A289147