Number of nX4 0..2 arrays with row sums and column sums unimodal.
A223891
Number of nX4 0..2 arrays with row sums and column sums unimodal.
Terms
- a(0) =46a(1) =3298a(2) =187103a(3) =8878492a(4) =367772497a(5) =13710418065a(6) =469842794992
External references
- oeis: A223891