Number of (n+1)X(4+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
A235513
Number of (n+1)X(4+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =746a(1) =16117a(2) =343063a(3) =7186597a(4) =150092214a(5) =3125826729a(6) =65064307612
External references
- oeis: A235513