Number of (n+1)X(2+1) 0..3 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
A235650
Number of (n+1)X(2+1) 0..3 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =2272a(1) =75176a(2) =2723053a(3) =63898897a(4) =1494414258a(5) =26134209539a(6) =455581431165
External references
- oeis: A235650