Number of nX4 0..1 arrays with row sums and column sums unimodal.
A223713
Number of nX4 0..1 arrays with row sums and column sums unimodal.
Terms
- a(0) =11a(1) =155a(2) =1805a(3) =18496a(4) =170568a(5) =1470857a(6) =11966981a(7) =93299973a(8) =701423479a(9) =5128436121a(10) =36599373747a(11) =256236584115
External references
- oeis: A223713