Number of n X n 0..3 arrays with row sums unimodal and column sums inverted unimodal.
A223658
Number of n X n 0..3 arrays with row sums unimodal and column sums inverted unimodal.
Terms
- a(0) =4a(1) =256a(2) =141046a(3) =761845474
External references
- oeis: A223658