Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically.
A254476
Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically.
Terms
- a(0) =512a(1) =2696a(2) =12260a(3) =47140a(4) =170504a(5) =586508a(6) =1964388a(7) =6462708a(8) =21003228a(9) =67662328a(10) =216533720a(11) =689480684a(12) =2187191068a(13) =6918332408a(14) =21836278536a(15) =68808353156a(16) =216551437648a(17) =680873827704
External references
- oeis: A254476