Number of nX4 0..3 arrays with the row and column sums nondecreasing.
A202578
Number of nX4 0..3 arrays with the row and column sums nondecreasing.
Terms
- a(0) =35a(1) =3731a(2) =343827a(3) =27871870a(4) =2028764764a(5) =136314892664
External references
- oeis: A202578