Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically.
A253817
Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically.
Terms
- a(0) =178752a(1) =651937a(2) =1826190a(3) =5585260a(4) =20991976a(5) =75927303a(6) =232090516a(7) =662686319a(8) =1748296756a(9) =4842751104a(10) =12819118826a(11) =35137451521a(12) =93169005104a(13) =260579685949a(14) =731227160620
External references
- oeis: A253817