Number of (n+1) X (3+1) 0..3 arrays with 2 X 2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
A235651
Number of (n+1) X (3+1) 0..3 arrays with 2 X 2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =20164a(1) =2723053a(2) =444495768a(3) =43576923092
External references
- oeis: A235651