Upper triangular n X n (0,1)-matrices with no zero rows or columns.
A005321
Upper triangular n X n (0,1)-matrices with no zero rows or columns.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =122a(5) =3346a(6) =196082a(7) =23869210a(8) =5939193962
External references
- oeis: A005321