Number of (n+1)X(4+1) 0..2 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise.

A235440

Number of (n+1)X(4+1) 0..2 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise.

Terms

    a(0) =11100a(1) =606279a(2) =37115629a(3) =1957598978a(4) =105025440136

External references