Number of (2+1)X(n+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise.
A235422
Number of (2+1)X(n+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise.
Terms
- a(0) =432a(1) =5022a(2) =60879a(3) =543946a(4) =4895505a(5) =35230388a(6) =255103234a(7) =1554228232a(8) =9515328218a(9) =50741400195a(10) =271565143251
External references
- oeis: A235422