Number of n X n (0,1) matrices with two 1's in each row having positive permanent.
A174586
Number of n X n (0,1) matrices with two 1's in each row having positive permanent.
Terms
- a(0) =0a(1) =1a(2) =24a(3) =954a(4) =59040a(5) =5295150a(6) =651354480a(7) =105393619800
External references
- oeis: A174586