Number of (n+1)X(2+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise.
A235418
Number of (n+1)X(2+1) 0..2 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise.
Terms
- a(0) =432a(1) =5022a(2) =60231a(3) =533868a(4) =4740889a(5) =33788761a(6) =241566875a(7) =1459008798a(8) =8848965583a(9) =46891736689a(10) =249575149293
External references
- oeis: A235418