Number of nX4 0..2 arrays with row sums nondecreasing and column sums unimodal.
A223813
Number of nX4 0..2 arrays with row sums nondecreasing and column sums unimodal.
Terms
- a(0) =46a(1) =1922a(2) =65465a(3) =1941904a(4) =52310070a(5) =1313561156a(6) =31302500115a(7) =716436867795
External references
- oeis: A223813