Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically.
A254479
Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically.
Terms
- a(0) =47140a(1) =170900a(2) =686988a(3) =2539310a(4) =8704471a(5) =28312934a(6) =86663046a(7) =247709745a(8) =682297737a(9) =1838103410a(10) =4927478832a(11) =13269418779a(12) =36050827342a(13) =98774668579a(14) =272555387169a(15) =755673648263
External references
- oeis: A254479