Number of (n+1)X(4+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
A236281
Number of (n+1)X(4+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =9504a(1) =901317a(2) =134940646a(3) =13055877546
External references
- oeis: A236281