Call an n X n matrix robust if the top left i X i submatrix is invertible for all i = 1..n. Sequence gives number of n X n robust real {0,1}-matrices.
A125587
Call an n X n matrix robust if the top left i X i submatrix is invertible for all i = 1..n. Sequence gives number of n X n robust real {0,1}-matrices.
Terms
- a(0) =1a(1) =4a(2) =68a(3) =5008a(4) =1603232a(5) =2224232640
External references
- oeis: A125587