Number of (n+1)X(3+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise.
A235419
Number of (n+1)X(3+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise.
Terms
- a(0) =2304a(1) =60879a(2) =1607343a(3) =33411901a(4) =692896087a(5) =11682620720a(6) =200551110843
External references
- oeis: A235419